Read the following and answer the questions. Clouds are like signs of weather. What kind of weather will happen when there are clouds hanging in the sky? Experience tells us

1, thin clouds in the sky are often a symbol of sunny weather; Those low and thick clouds are usually signs of rain and snow.

2. The position, morphological characteristics of cirrus, cirrocumulus, cumulus and altocumulus and their relationship with weather changes are introduced in turn.

3. Metaphorically, cirrus clouds are pale white.

4. no. These two words play a restrictive role in the sentence, which shows that it excludes special situations in general and frequent situations and embodies the characteristics of accurate and thorough interpretation of the language.

5. A.

(That's right)