Question

Can trees talk? Yes, but not in words. Scientists have reason to believe that trees do communicate (交際) with each other. Not long ago, researchers learned some surprising things. First a willow tree attacked in the woods by caterpillars (毛蟲) changed the chemistry of its leaves and made them taste so terrible that they got tired of the leaves and stopped eating them. Then even more astonishing, the tree sent out a special smell---a signal (信號(hào)) causing its neighbors to change the chemistry of their own leaves and make them less tasty.
Communication, of course, doesn’t need to be in words. We can talk to each other by smiling, raising our shoulders and moving our hands. We know that birds and animals use a whole vocabulary of songs, sounds, and movements. Bees dance their signals, flying in certain patterns that tell other bees where to find nectar (花蜜) for honey. So why shouldn’t trees have ways of sending message?
【小題1】It can be concluded from the passage that caterpillars do not feed on leaves that ______.

A．a(chǎn)re lying on the ground	B．have an unpleasant taste
C．bees don’t like	D．have an unfamiliar shape

【小題2】The willow tree described in the passage protected itself by ______.

A．growing more branches	B．communicating with birds and bees
C．changing its leaf chemistry	D．shaking caterpillars off

【小題3】According to the passage, the willow tree was able to communicate with other trees by ______.

A．waving its branches	B．giving off a special smell
C．dropping its leaves	D．changing the colour of its trunk

【小題4】According to this passage, bees communicate by ______.

A．making special movement	B．Telling one another
C．smelling one another	D．making unusual sound

Answer 1

【小題1】B
【小題1】C
【小題1】B
【小題1】A

解析試題分析：本文講述的是動(dòng)植物之間的多種不同的交流方法。
【小題1】B 推理題。根據(jù)第一段3,4行First a willow tree attacked in the woods by caterpillars (毛蟲) changed the chemistry of its leaves and made them taste so terrible that they got tired of the leaves and stopped eating them.說明毛毛蟲不喜歡吃這樣的樹葉，故B正確。
【小題2】C 細(xì)節(jié)題。根據(jù)第一段3,4行by caterpillars (毛蟲) changed the chemistry of its leaves說明是靠改變樹葉的味道來保護(hù)自己的，故C項(xiàng)正確。
【小題3】B 細(xì)節(jié)題。根據(jù)第一段最后2行the tree sent out a special smell---a signal (信號(hào)) causing its neighbors to change the chemistry of their own leaves and make them less tasty.說明樹木是靠發(fā)出氣味讓它的周圍別的樹知道這個(gè)信息，所以B正確。
【小題4】A 細(xì)節(jié)題。根據(jù)文章最后一段2,3行We know that birds and animals use a whole vocabulary of songs, sounds, and movements. Bees dance their signals, flying in certain patterns that tell other bees where to find nectar (花蜜) for honey.說明動(dòng)物可以靠做一些特別的運(yùn)動(dòng)來進(jìn)行交流，故A正確。
考點(diǎn)：考查科普類短文
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