根据以下资料回答第37、38题。
截至2020年3月，我国在线教育用户规模达4．23亿人，较2018年年底增长2．22亿人，占网民的46．8％；手机在线教育用户规模达4．20亿人，较2018年年底增长2．26亿人，占手机网民的46．9％。
截至2020年3月，网民中使用手机上网的网民占比约为（）。

A．86．0％

B．93．7％

C．95．1％

D．99．1％

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参考答案

答案解析

由文字材料可知，截至2020年3月，我国在线教育用户规模达4．23亿人，占网民的46．8％；手机在线教育用户规模达4．20亿人，占手机网民的46．9％。则网民规模为

手机网民规模

D项最接近。故本题选D。

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1 根据以上资料，下列说法正确的一项是（）。

A．2016--2018年手机在线教育用户规模同比增长均超过三成

B．2018年在线教育用户规模的同比增速低于同年网民规模的同比增速

C．2018年手机在线教育用户规模同比增量相较2017年翻了两番

D．若保持2019年6月一2020年3月的月均增速不变，到2020年12月在线教育用户规模将超过7亿人

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2 根据以下资料回答第39、40题。
Edward Wilson is America's, if not the world's, leading naturalist.In The Future of Life, hetakes us on a tour of the world's natural resources(资源).How are they used? What has beenlost? What remains and is it able to continue with the present speed of use.'? Wilson also points outthe need to understand fully the biodiversity( 生物多样性) of our earth.
Wilson begins with an open letter to the pioneer in environment(环境) protection,Henry David Thoreau.He compares today's Walden Pond with that of Thoreau's day.Wilson willuse such comparisons for the rest of the book.The problem is clear: man has done great damage tohis home over the years.Can the earth, with human help, be made to return to biodiversity levels thatwill be able to support us in the future?
Biodiversity, Wilson argues, is the key to settling many problems the earth faces today.Even ouragricultural crops can gain advantages from it.A mere hundred species(物种) are the basis of ourfood supply, of which but twenty carry the load.Wilson suggests changing this situation by lookinginto ten thousand species that could be made use of, which will be a way to reduce the clearing ofthe natural homes of plants and animals to enlarge farming areas.
At the end of the book, Wilson discusses the importance of human values in considering theenvironment.If you are to continue to live on the earth, you may well read and act on the ideas inthis book.
We learn from the text that Wilson cares most about______.

A．the environment for plants

B．the biodiversity of our earth

C．the waste of natural resources

D．the importance of human values

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3 We can infer that the text is______.

A．a description of natural resources

B．a research report

C．a book review

D．an introduction to a scientist

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