2. 外语
  3. outside! They were inside! They bit people! They crawled on food! The people didn’t know what to do. Some people wanted to k

outside! They were inside! They bit people! They crawled on food! The people didn’t know what to do. Some people wanted to k

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问题 outside! They were inside! They bit people! They crawled on food! The people didn’t know what to do.
    Some people wanted to kill the insects with sprays. Others said, "Insect spray will harm the birds and the butterflies. That is a bad idea."
    Someone said, "Birds can help. Purple martins eat insects. We need purple martins." The people made bird houses and put them along the streets. Soon purple martins built nests in the bird houses. They had baby birds and fed them insects. As the babies got bigger, they ate more and more.
    The people of the town were happy. They had found a good way to get rid of the insects and not harm the birds and the butterflies. Now there are bird houses in many places and hardly any more insects in the town.
选项 A、butterflies
B、insects
C、birds
D、purple martins
答案B
解析 文章第一段指出人们发现到处都是昆虫，并在该段最后一句说人们不知该如何是好(The people didn’t know what to do)。而在接下来的几段中，文章描述了人们为了消灭昆虫而想办法、最终通过建鸟窝、让鸟吃昆虫而使得昆虫减少。由此可以推知，人们当然是为了消灭昆虫，故选[B]。
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