第1题
The best title for the text is______.
A.Cuckoos—Bringer of Spring
B.Cuckoos—Pest among Birds
C.Cuckoos—Protector of Birds
D.Cuckoos—Invader or Defender?
请帮忙给出正确答案和分析,谢谢!
第2题
According to Paragraph 5, raising some cuckoo chicks in the nest will ______.
A.draw enemies to it
B.attract birds of prey
C.have no benefit at all
D.protect it from predators
请帮忙给出正确答案和分析,谢谢!
第3题
Great spotted cuckoo chicks in carrion crows nests will______.
A.rob young crows of their food
B.evict the eggs of crows or kill them
C.drive young crows out of their nests
D.compete with young crows for room
请帮忙给出正确答案和分析,谢谢!
第4题
Some biologists think that cuckoos______.
A.are more evil than we think
B.will cause nothing but harm
C.may not be completely useless
D.can not compensate for their harm
请帮忙给出正确答案和分析,谢谢!
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