Winter vacation homework Chinese, Mathematics, English Science, History and Society All Answers 20 11October1,Good Bonus 10.

I. Song Jin Xuan Li Zhan

Sip music secretly

China broadcasting corporation

6. The school is going to file an "I" for poor students, but there is no "I" because I have an unyielding soul.

A person who has nothing will eventually have everything as long as he is confident, diligent and sincere.

7. God gave me the most precious affection and friendship in my life. Why am I poor?

My feeling: God has given us so much, why should we complain?

8. At least I don't look like a hypocrite. Although I am poor, I am poor and I have self-esteem. I didn't betray myself because of money, and I didn't even have the most basic self-esteem.

9. Spend a lot of money, plummet, cover the sky with one hand, make a fortune and fall apart.

Chrysanthemum, peach blossom, apricot blossom, willow and Yang Shuhua.

p4

Jiang Dian ti pa bing Fei

Luxury young people are in a state of chaos.

D C D

pregnenolone

Because her mother is a vegetable, she doesn't care about her.

Although my mother has become like this, if my mother knows, she will be very touched.

8. Well, if she knows, she will be very happy. Although she can't hear, I know she can. As long as she tries her best, one day she will wake up and we are waiting for her.

p6

9. Persisting in a great cause requires perseverance.

10, Qingqing Jane Sasha Vujacic Tian Tian

p7

1, James Hope, and Liao.

2、C B B

p8

5. Cotton leaves

6. How sad and humiliating

Even if it is cold in winter, my heart is warm. In winter, there are Spring Festival, Christmas and New Year's Day ... active atmosphere. Even if I can't see my family, my heart is sweet.

p9

8. Cry: My son's life is so painful. I didn't eat at all. I was sick and made a lot of money. Laughter: My son's life is good. I didn't suffer at all. I ate more, got well and earned more.

9. Spring: Weicheng is rainy and dusty, and the guest house is green and willow.

Xia: Xiao He just showed his sharp horns, and the dragonfly had already stood on his head.

Autumn: Sunset and lonely Qi Fei, autumn water and sky are the same.

Winter: the autumn moon is bright and the winter ridge is cold and loose.

Qian Hailuan drinks rice by hand.

Take measures to improve your posture.

C D C

p 1 1

B B B A C D

8. He is suspicious because he keeps practicing whether it is cold or hot.

9. Chang 'e, Jade Rabbit, Jade Plate, Jade Bow, Jade laurel, Night Light

p 12

A small pool can give people the moon.

Moon couplets from Shanghai Yuyuan Garden

Mountain, mountain, color, moon pavilion peek at people.

Ancient Moon Pavilion from Alishan.

1 1, Chang 'e No.5 port Chang 'e

p 13

Fashionable Han Shu is pretty and tender

I'm sorry, I'm praying for hiding.

Christian era

6. The sky shines on the earth.

A smile, a smile for others to see.

p 14

7, guilty, because he thinks he didn't take care of the children.

8. Because the child deliberately ran two bowls of instant noodles, one for himself and one for his father. But I was afraid that Dad's bowl of noodles would get cold, so I put it under the quilt.

9. Both father and son are very moved. Father is afraid of children's distress, and children are afraid of father's hunger.

10, single-handedly, much ado about nothing, classical Chinese, Sanqu, compasses, forgetfulness.

Four, the sky and clouds * * * wandering, late rain rose autumn pool, and remote mountains pale blue, smoke cage cold water moon sand.

12, no matter how much I complain, can you listen? Who can say "I went in" from the heart? No one, no friends, occasionally impatient. They say that friends are the objects to talk to, I want to say. So where can I find such a friend?

p 16

C cheng b Chen c Xuan b bi

C C C A

p 17

Connecting the preceding with the following.

Still in the ignorant stage, I don't know how much ignorance people have in this life.

p 18

A lifelong regret, an ignorant thing.

9. At the 13 level of my life, I am still in a carefree stage. I don't understand my parents' hard work, but I am immersed in a carefree world. I never thought about what I would be when I grew up. Now I must study hard.

10, personality: show your own uniqueness and make your shortcomings more prominent.

University diploma-social university admission notice.

Why is the water in the pond so clear? Because there is inexhaustible living water for it.

Just like in the Wanshan Circle, one mountain passes another.

... night gives way to the ocean of the sun, and the old year melts in freshness.

mathematics

P 19

Ground moving object

5、5 6、5

7、9, 14

8、 2 3 4 1

P20

9. Fixed number: 4 7 8 10 Edge number: 6 9 12 15 Area number: 3 3 5 6.

(2) V+F-E =1(3) 20+11= 30 (strips)

P2 1

Paint 1530 yuan five plywood 20 16 yuan

P22

A C B C D A B A D C

P23

1 1, 3 steps to the west.

12 plus or minus 3

13, 8 8 4 3/4

14, multiplication, division, addition and subtraction

15、< < 16、254

17、-3 2

18、( 1)=- 1.5+ 1 1.5 (2) =4×9+6 (3) =6.7+3.3

= 10 =42 = 10

(4)-28+3 (5)-4+-8+2+-3 (6) =11divided by 9.

=-25 = -7 = 1 1

19, -59+27=-32 (m)

P23

20 squared, 4. 9.6.n

2 1, (1)1.7 (10000) (2) No.3, * * with 105000 people (3) 1, draw the fifth square.

22, -7 1 8 1-9 1

P25

22.-2009 1 0 23, 0 years 1065438+ 100.

24、 1+ 1+3×4+5×6+7×9= 100

25、 20

P27

ABBDB B D C C D

P28

1 1、6xy 12、0 13、 13 22

14 、-2x-5y -x

15， 1，5 16，BC 18，B； x+ 1 C:x+ 1×2D:x+ 1×2- 1

(2) 19+ 1×2- 1=39 (3)35- 1÷2= 17

19、 100×7(7+ 1)+25 100×8(8+ 1)+25

100× 10( 10+ 1)+25 3980025

P30

Right angle parallel vertical

BC CD+DE CD AB DE

D

AC BC CD CD has the shortest vertical line from one point to a straight line.

d A 6 0.5 22.5 44 3 ' 28 \u

P3 1

6÷2=3 4÷2-2 3+2=5

1 1、OE⊥OF

12, because AC is far away, so the middle of ABC is there.

13、90 30 45

14、6 15=5+4+3+2+ 1

7.2 1=6+5+4+3+2+ 1

N+N- 1+N-2+N-3...= N 35 species.

15, between two points, the line segment is the shortest.

P33

1、CAA

4、26 -2 2 2.88%

8.2x = 2+5(2)-a×2+0+3 = 5(3)- 1 1x =-7(4)4x = 12+6。

x = 3.5a =-4x = 1 1.7x = 4.5。

P34

9,27÷12 = 2.25km.

10, bought x second-class lottery tickets.

450x+800(32-x)= 17200

450x+25600-800x= 17200

-350x= 17200-25600

X=24

32-24=8 (Zhang)

1 1, 300 yuan

12、 12×462=264×2 1

13、3x+ 1.5x=4.5

X= 1

1+4.5=5.5 (m)

14、22223456

15,90 ÷ 3 = 30 (yuan) Everyone leaves 30 yuan.

16, although not necessarily an integer, may be unknown.

P37 1，

1、DACDC

6、> 9 36 1000000 7 1400000 10

P38

10、( 1)78÷ 100=78% 2 1÷ 100=2 1% 0.94÷ 100=0.94% 0.03÷ 100=0.03% 0.03÷ 100=0.03%

(2)360 ×78%=280.8 360 ×2 1%= 100.8 360 ×0.94%=3.384 360×0.03%=0. 108

360×0.03%=0. 108

(3) Infinite

1 1, because the sector chart is 100%, and the sum of the above is greater than 100%.

12, no, because archaeologists didn't give accurate figures, just saying it was 800 thousand years ago, not necessarily 800 thousand years ago.

P40

B.C.

Maybe not, definitely, maybe, probably.

Encouragement awards may not be possible.

( 1)(2)

science

P57

(1) If possible, why does everyone try?

(2) Because it is far away, it was impossible before I was born.

(1) What's on your mind?

(2) How many hairs are there?

(3) What was your previous life's name?

P58

(1) How big is the universe?

(2) How many bacteria are there on the earth?

(3) How many things have you done in your life?

×××√

5. manipulated variable

Variable to be measured or recorded

Dependent and independent variables

6. Temperature growth rate

liquid volume

Human growth rate

P59

Iodine turns into gas when heated and directly into solid when cooled. It is very soluble in oil, so the paper is darker.

P60

First big, then small. Let the big one be fair to the small one.

2. One person bites half.

3.( 1)- Select (2) Oranges and small apples are about the same size.

(2)- Option (3) is fair, and they are all of the same nature.

(3)-( 1) is unfair.

I will let myself choose first, and the rest are others'.

P6 1

5. Solubility depends on temperature, particle size and stirring.

Different temperatures have different effects on the growth of different plants.

Sugar will consume calcium, and calcium deficiency will seriously affect bones.

The stronger the wind, the faster the sailboat runs.

Salt will crystallize due to evaporation of water, so that salt can be separated from water vapor.

The temperature, particle size and stirring of dissolution are all related to particle size and stirring, and dissolution is faster.

Different temperatures have different effects on the growth of different plants.

Sugar will consume calcium, and calcium deficiency will affect bone consumption.

The stronger the wind, the faster the sailboat.

P62

25cm 175cm 1:7

26cm 183cm 1:7.038

27 cm 190 cm 1:7.037

22cm 159cm 1； 7.227

23cm 160cm 1:7

24 cm 170 cm 1:7.083

The ratio of footprint length to height is as follows: 1:7.

According to the average value, the proportional coefficient of height and foot length is 1:7.

P63

(1) Tourism activities

(2) Family members

(3) Need

(4) Invite others to do it themselves.

(5) Harmony

(1) The experiment shows the facts.

(2) Two balls with different masses, a rope with a certain length, a bracket and a timer.

(3) using an hourglass device

P64

3.( 1) Weight of light ball m

(2) the weight of the heavy ball m

(3) time t

For a ball with a weight of m, it takes t to swing back and forth 20 times.

The time for a small ball with a weight of m to swing back and forth twenty times is t.

Compare t with t to test the hypothesis.

Third,

Flat water

P65

Even the melting point of salt can't be reached at room temperature, which makes it impossible for salt to liquefy, let alone evaporate. .....

(1) fresh water

(2) distillation

(3) insufficient conditions

(4) semi-permeable membrane filtration method

P66

1, I feel very uncomfortable.

2. I will feel better

Because if I get knocked out, I don't exist.

Second,

(1) The increase in the life span of the world population has led to a sharp increase in the world population.

(2) It is unfair to those children who have been aborted.

(3) If genetic engineering is used, it will be harmful to human body.

If genetic engineering is not used, there will be many inconveniences.

(4) Why do genetic engineering have advantages and disadvantages for people?

P67

Mentos sugar contains a chemical called Arabic gum, which makes the surface tension of water molecules easier to be broken. When it meets cola containing carbonate, it will release carbon dioxide at an alarming rate.

P68

(1) will be aged, worn out and the environment will be bad.

(2) efforts

(3) vigorous vitality

(4) full of scientific inventions

(1) Not credible, not credible, not credible

(2) How to eat back the disease you have eaten?

Never heard of it.

There is no atmosphere on Mars.

p49

4. Workers operate illegally, and welding sparks.

The person in charge of the project said

Sparks were everywhere, igniting some combustible substances.

The construction operation is not in conformity with the regulations, which is undoubtedly the fuse of the fire.

The spark ignited the fire.

P70

Because the water on the plastic wrap looks like a convex lens, what you see through the convex lens is often larger than the original shape.

P4 1

(1) is not a work of art.

(2) Yes

What a beautiful rock

(4) The first time I saw it, the second time I saw it.

Animals adapt to the environment in order to survive, and humans adapt to the environment in order to survive.

Suffering again and again, repeating, continuing, becoming stronger and more independent.

Caught cheating = bad luck; Not caught = luck; Can't catch = master. . . .

P72

The air pressure in the bottle is lower than the outside air pressure, and the eggs are pressed into the bottle by the outside air pressure.

P73

Raise tariffs to protect your goods. (betrayal)

Both sides remain silent (cooperative)

Two people remain silent.

2. The ancestors left the wrong scientific assumptions to future generations to solve, which is helpful to future generations.

3. Think more, experiment more and observe more.

4, probably a Chinese book.

P74

Title: Magic Ink

Name: …

Collaborators: parents

Instructor: No.

Time: 201165438+1October 20th.

Introduction: …

Equipment: 1 brush, a lighter, 1 cup of sugar water and a piece of white paper.

Chart: None

Experimental design: 1. Write or draw on paper with a brush dipped in sugar water.

2. After drying, look at the font or pattern.

3. What will happen after roasting with fire?

State the experimental phenomenon: there are light brown fonts and patterns after baking.

Experimental analysis: after baking, due to the dehydration of sugar, the sawtooth pattern will appear light brown.

Conclusion or Application: None

Reference: None

P75

After baking, glyphs and patterns will appear light brown due to dehydration of sugar.

Lishe

p76

1, first and last

Second company, third.

Sanlianqi

Silian silk

The first one or even the second one on the other side.

Erlianliu

Triple one

Four consecutive five

2. Political and economic management culture

p77

2 1

southwestward

1 big 2 small

4. 5×4000000 =20000000 cm = 200 km.

5. A: Because the thinner the outline, the slower the slope.

p79

Asia Africa North America South America Antarctica Europe Oceania

Pacific Ocean, Indian Ocean, Atlantic Ocean and Arctic Ocean

2. Hills and plains in the basin-mountain plateau

3. Iran, Turkey and West Asia

Korea Japan East Asia

Singapore, Vietnam and Southeast Asia

India, Pakistan and South Asia

Tajikistan Kazakhstan Central Asia

p80

4. Gibraltar Strait Mediterranean Suez Canal Indian Ocean Malacca Strait the Strait of Hormuz Pacific Ocean

His hometown has a temperate maritime climate.

Shenzhen: subtropical monsoon and monsoon humid climate

6. Canada, China, South Korea and the United States

p8 1

Australia Britain

p82

× √××√××√××

2. Shanghai Taiyuan Guangzhou Changsha Chongqing Tianjin Changchun Xining Xi 'an

3. The last Yunnan in Yunnan Province

Guangxi 3 rd GUI

Guangdong's second Guangdong

Hubei first e

p83

Longyangxia Dam in Qinghai

Three Gorges Project

p84

Rice. Rice

Western Development of Yichang Hukou in the Lower and Middle Reaches of Dongting Lake in Jin Meng

p85

√×√××√√√

2、CADB

Hormuz, Malacca, Persian Gulf

Xinjiang Uygur Autonomous Region

karez

poor area

P4 1 1, airplanes, abacus, ships, cars, handcuffs, wallets, bicycles, shoes, astronauts.

2, 158

In 2001

Forty-five percent

twenty five past zero

three past six

Sixty degrees

one to seven

1,571

one-sixth

Three fifths

p42

(1) The Spring Festival is also called China New Year. On this day, everyone puts on clothes to celebrate the family reunion.

The Dragon Boat Festival is on the fourth Thursday in November. On this day in the United States and Canada, families get together to celebrate the harvest. They usually have turkey for dinner.

Lantern Festival is one of the biggest festivals in China. A few days before the Lantern Festival, people began to make lanterns. Lanterns are made into the shapes of different animals.

(4) Mid-Autumn Festival is a day for the whole family to celebrate. The whole family can eat moon cakes together, enjoy the bright moon and play with lanterns.

p43

1, play football, wash your face, play the violin, make phone calls, especially loudly, and go fishing.

2.( 1) 1.000, 120,852 (2) 15 79 17 27 (3) 10 3/5, 3/7 7/9.

(4)50% 75% (5)25 160 (6)0.78 1 1.45 2 1. 13 57.22 6.5

P44

It is called the sun. (2) It gives us heat and light. (3) The moon is only 380.000 kilometers away from us. (4) Because it is very far away. (5) It takes four years for light to reach us from Alpha Centauri.

P45 tax payment certificate

1, odd and even numbers are equal on the left, and add, subtract, multiply and divide on the right.

At six o'clock (2) at eight o'clock (3) playing computer (4) doing homework (5) a lot.

(6) study hard

P46

I want to say that I have nothing to show myself. But I won't fall behind. I don't know why, I don't. It may be a natural character not to fall behind. I like so many things and I feel good. The students are very lively.

I like theirs.

p47

Used to be, and now is.

Here comes the ripe one.

Know how to give

Swimming listening and speaking

Was sent.

Injury caused by education

Left thief

Humet Tucker

Drive to sleep

Ran Saturday

Encounter of thoughts

Always carry it.

Bought flies

Start to wake up

Chose

Cost loss

Found read

Throw it to Ross

Wear it standing

p48

What's your favorite sport?

A tourist stole a man's wallet.

They did catch the thief.

The 40 students in our class include

Don't aim his eyes at the flashlight.

P49

(1) I listen to music every day.

I attended a meeting yesterday.

I will go shopping in three days.

(2) He often explains the products to the guests.

He explained that he was cheated two days ago.

He will explain to everyone tomorrow.

He often steals things.

I saw a thief steal something yesterday.

Tomorrow, do you know there will be a little sneak?

He often invites his friends.

I invited my friends to go shopping.

I will invite my family to go shopping.

twenty five past two

sixty

40%

P50

Go south to Yi Tian Road, then go straight to the left, turn a corner, and then go straight north to the concert hall.

P5 1

He went to the reception.

He was at the reception.

He walked out of the reception desk.

She climbed onto the table.

There is something on the table.

One thing caused a sensation.

There is a black thing in the car above.

There is something black in the car.

He stood in front of the car.

He stood behind the car.

She is between two cars.

He entered the house.

Is he at home

He ran away from home.

Honest and friendly hummus

Because this friend will give people a very easy-going pleasure.

P53

1, cleaning 2, putting on new clothes 3, watching TV

4. Go out to play. 5. Chat with friends

zebra

monkey

elephant

lion

tiger

cafeteria

Parrot house

Entrance?

bear

kangaroo

Listening to music 7. Watching TV

P54

He saw a thief in the house next door in bed, so he dialed 1 10. The police caught the thief. The police thanked him for his cooperation.

P55

I have been taking a bath for a week. Except Friday and Sunday, I do my homework on Mondays, play football with me on Wednesdays, Fridays and Saturdays, watch TV for a week only on Fridays, Saturdays and Sundays, and I don't go shopping. I only go to bed early on Wednesdays and Sundays.

2. (1) Mammals (2) African elephants (3) White elephants (4) 100 feet long

(5) Fifty (6) white rhinos

Hainan is a tourist attraction. Hainan Island is famous for its unique and charming tropical scenery, relaxed and pleasant natural environment, particularly magnificent marine resources and simple and kind people.