2.According to the text,echolocation is a technique________.
A.to depend on the eyes to look for food
B.to use a sound coming back to find food
C.to kill moths with sound waves
D.to judge how far things are
答案 B [细节理解题。文章第三段的第二句话反映了蝙蝠利用回声来确定食物的位置,故选B。A项中的eyes错误,应为sounds;C项中的kill错误,不是杀死,而是确定蛾子的位置;D项判断事物的距离。]
3.What did Goerlitz consider lucky for people?
A.People can hear warning sounds of bats.
B.Bats don't want to attack people.
C.We can't hear bats' echolocation sounds.
D.Moths can escape being caught early.
答案 C [细节理解题。第四段的最后一句话说明了人类听不见蝙蝠的这些高分贝的声音是一大幸事,否则这些犹如飞机一样的噪音会给人们带来危害,所以选C。A项中的can应改为can't;B没有提及;D与人类无关。]
4.From the last paragraph,we can infer that Goerlitz was________.
A.serious
B.strict
C.dull
D.humorous
答案 D [推理判断题。结合文章最后一段中的he sounds a little batlike himself指他像蝙蝠一样低声说,反映了他的幽默有趣,因为本文主要讨论的就是蝙蝠的静悄悄的技能帮助它们捕食,因此选D。A项严肃认真的;B严格的;C项乏味的。]
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