题干

新修订的《环境空气质量标准》增设了PM2.5平均浓度限值,PM2.5是指大气中直径小于或等于2.5微米的颗粒物也称为可入肺颗粒物,主要于直接排放的工业污染物和汽车尾气等,是形成灰霾天气的最大元凶.下列做法不合理的是(   )

A:举行“地球一小时“熄灯活动

B:为了减小PM2.5对环境的影响,禁止家庭使用私家车

C:香烟烟雾颗粒的直径大多在0.1至1.0微米,提倡不吸或少吸烟

D:灰霾天出门戴N95专业口罩(过滤孔径在0.1微米左右)

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答案(点此获取答案解析)

B

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任务型阅读

     ____. Why read an article in the newspaper, when the TV news can bring you the information in a few minutes and with pictures? Why read the life story of a famous man, when a short television program can tell you all that you want to know?

    ____. Today, newspapers sell in very large numbers. And books of every kind are sold more than ever before. ____Although some books with hard covers are expensive, many books are printed today as paper books (平装本), which are quite cheap. A paperback collection of short stories, for example, is always cheaper than an evening at the cinema or the theater, and you can keep a book for ever and read it many times. Additionally, ____ No matter when you are on the subway or you are waiting at the airport, a book in hand is always a good choice.

     Books are a wonderful provider of knowledge and pleasure and some types of books should be in every home.____. A good encyclopedia (百科全书), though expensive, is useful, too, because you can find information on any subject. Besides, you can have such books as history books, science textbook, cookbooks, and collections of stories and poems. Then from time to time you can take a book of poems off your shelves and read the thoughts and feelings of your favorite poets.

A. Television has not killed reading, however

B. A printed book is a good time killer

C. Every home should have a good dictionary

D. More and more people spend less time doing sports

E. Choosing a good book is just like choosing a friend

F. Books are still a cheap way to get information and enjoyment

G. With the popularity of televisions, some think fewer people will buy books and newspapers