英语四级

单选题The passage suggests that most rain forest species are

A．insects
B．bacteria
C．mammals
D．birds

参考答案：A进入在线模考
 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。

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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

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2 Which of the following conclusions can be drawn from the passage?

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.

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3中国中央电视台春节联欢晚会，简称为春晚，是每年农历除夕为庆祝农历新年而现场直播的重要晚会。自1983年首届春节联欢晚会在中央电视台播出以来，每年除夕之夜它都如期播出，这一传统一直延续至今。春晚在演出规模、演员阵容、播出时长和海内外收视率上创下了世界之最。春晚也成了大多数中国人每逢春节必看的电视节目，是中国除夕之夜的文化盛宴。

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