单选题
英语四级
2017-05-18
The passage suggests that most rain forest species are
A．insects
B．bacteria
C．mammals
D．birds
参考答案
A
答案解析
定位：根据题干信息most rain forest species可将答案定位到第三段开头处。
解析：原文提到： “有一半的已知物种都被认为是生活在热带雨林里的，这种情况似乎不足为奇，只要想想数量巨大的昆虫所构成的这个物种群就明白了。”可见热带雨林中数目最为庞大的一个物种是昆虫。故选A。
解析：原文提到： “有一半的已知物种都被认为是生活在热带雨林里的，这种情况似乎不足为奇，只要想想数量巨大的昆虫所构成的这个物种群就明白了。”可见热带雨林中数目最为庞大的一个物种是昆虫。故选A。
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1
The author argues that there is more diversity of life in the sea than in the rain forests because
A．there are too many insects to make meaningful distinctions
B．more phyla and classes of life are represented in the sea
C．many insect species are too small to be divided into categories
D．marine life forms reproduce at a faster rate
A．Ocean life is highly adaptive.
B．Ocean life is primarily composed of plants.
C．The sea is highly resistant to the damage caused by pollutants.
D．More attention needs to be paid to preserving ocean species and habitats.