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Speech understanding

1. The brain is the human thinking organ. This organ, like other human organs, becomes more developed the more it is used, and _______ if it is not used. ?

The appropriate one to fill in the underlined part is:

A. Degeneration B. Sloughing C. Regression D. Elimination

2. The following The one with no grammatical errors in each sentence is:

A. Ren Xing not only has high prestige among the masses, but also has high moral prestige among cadres.

B. They have completely solved the shortcomings of apples being easy to rot and not selling at high prices.

C. This town is not far from that town.

D. In order to recover the company's losses, he fought with the gangsters all his life.

3. Among the following sentences, the one with clear meaning and no ambiguity is:

A. The Prime Minister told the heads of several factories that there must be new work in the new year. face.

B. This exquisite vase was given to the guest who scored high today as a gift.

C. Fans in this country looked down upon the 2002 World Cup.

D. Mozart composed many piano and violin concertos throughout his life.

4. Xiuyan is located in the Liaodong Peninsula. It has beautiful mountains and clear waters and is the largest gem and jade producer in the country.

The one who can accurately recite the meaning of this sentence is:

A. Xiuyan is in the Liaodong Peninsula

B. Xiuyan is a good place with beautiful mountains and clear waters

C. Xiuyan not only has beautiful mountains and clear waters, but is also rich in gems and jade

D. Xiuyan is the largest gem and jade producer in the country

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Read In the following passage, answer questions 5-9.

From the perspective of modern medicine, diving disease is "nitrogen excess disease". Under normal atmospheric pressure, a saturated amount of nitrogen is dissolved in the tissue fluid inside the human body. The dissolved amount of these gases will fluctuate with changes in external pressure. When the pressure is high, the body fluids can dissolve more nitrogen, and vice versa. When the external pressure decreases, nitrogen dissolved in body fluids is released. Normally, we can breathe and expel this excess nitrogen from our lungs. But once the external pressure decreases too fast, the nitrogen in the body fluids will not have enough time for the lungs to leave the body within a certain period of time, and they will separate from the body fluids and form bubbles. These extremely tiny bubbles will first appear in muscles, joints and other parts, affecting the health of local tissues and causing a series of ailments similar to arthritis or muscle inflammation. When there are more and more bubbles, a large number of small bubbles will merge into large bubbles in the blood system, forming gas to block blood vessels. Once the cerebral blood vessels are blocked, the patient is at risk of paralysis or even death.

In the past, the caisson method was used in bridge construction to meet special requirements for underwater operations. People working in caissons, like deep-diving fishermen, are in a high-pressure environment. As they breathe, a large amount of nitrogen will dissolve into the body fluids. When their isolation cabin leaves the caisson, if the decompression process is a little too fast, they will form a large amount of gas in their bodies like divers who surface. A small number of severe patients will die directly from the acute cardiovascular and cerebrovascular diseases caused by this. The condition of most patients is that the air bubbles in the body are concentrated in the joints. As the symptoms worsen, they have to bend down to relieve the abnormal pain in the lower back. At this time, their postures were particularly similar to the "buttock syndrome" that some actresses at that time liked to show off.

In fact, this situation can be effectively prevented by paying attention to the speed of decompression. However, at the time, even doctors did not realize that hip disease was diving disease and that nitrogen was a threat to workers' health and safety. The doctors who treated them even named the disease caisson disease. Today, ________'s caisson disease and ________'s raised butt disease have a unified name: decompression sickness. Timely oxygen inhalation and hyperbaric chamber treatment can effectively control this disease.

5. Diving disease has appeared in many different names. The reasons are:

A. Different onset times? B. Different symptoms.

C. Name the doctor Different? D. Different understanding of the cause

6. The real cause of diving disease is:

A. Dive into deep water to fish? B. Underwater caisson operation

C. Excessive nitrogen in the body? D. Reduced external pressure

7. Which of the following are not symptoms of diving sickness:

A. Formation of bubbles? B. Joint pain? C. Blocked blood vessels? D. Pain in the lower back

8. Fill in the appropriate one in the underlined part of the article in order:

A. Nondescript and vulgar? B. Bizarre and weird. Elegant

C. Obscure, vulgar? D. Ridiculous and unpalatable

9. The content not covered in the article is:

A. Less Pressure sickness can be prevented and treated B. The origin of the name of decompression sickness

C. What are the main symptoms of decompression sickness? D. How to cure decompression sickness

10. Multimedia information in computers The storage format is ().

A. Binary digital information

B. Decimal digital information

C. Text information

D. Analog signal?

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