Question

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　　Some animals and insects(昆虫)use camouflage that is, they change color so that it is the same as the color of the tree or plant on which they are sitting. Others have developed a color thousands of years which is like the color of their living place.

　　One of the second kind is the Peppered Moth, which is found in England. It is light brown in color, and likes to rest on trees which are also light brown. This makes the moth difficult to be seen. It means that birds are less likely to see it and eat it.

　　But, about sixty years ago, smoke from factories began to reach some of the trees where the moth rested. It made the trees blacker. This meant that the moth become easier to see.

1．The word “camouflage” in the first sentence means ____.

[　　]

A．he same color

B．the tree on which insects are sitting

C．making it difficult to see something

D．color is d\always changing

2．The Peppered Moth likes to rest on trees which are light brown in order ____.

[　　]

A．not to be eaten by birds

B．not to be seen by other insects

C．to change its color

D．to be see by birds

3．Mother became easier to see because ________ .

[　　]

A．the moth changed its color

B．trees became blacker after 60 years

C．smoke from factories could lighten the color of the moth

D．smoke from factories mad the trees darker

4．It seems that ____.

[　　]

A．the moth always has the same color as the color of the trees

B．the moth is able to develop its color over years

C．people like the moth found in England

D．the Peppered Moth is being experimented

5．What do you think would probably happen?

[　　]

A．The peppered Moth would become darker year by year.

B．Te Peppered moth would change its color once.

C．The Peppered Moth would die out.

D．The Peppered Moth would be eaten by birds.

Answer 1

答案：C;A;D;B;A
解析：