—What does PM 2.5 mean?—It"s a professional ________ indicating the condition of - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

—What does PM 2.5 mean?
—It"s a professional ________ indicating the condition of air pollution.

A．term	B．item
C．number	D．mark

答案

解析

选A　考查名词辨析。句意：“PM 2.5是什么意思？”“它是一个表示空气污染状况的专业术语。”term“术语”，符合句意。item“项目”；number“数字”；mark“记号”。

核心考点

试题【—What does PM 2.5 mean?—It"s a professional ________ indicating the condition of】；主要考察你对数词等知识点的理解。[详细]

举一反三

One reason for her ________ for city life is that she can have easy access to places like shops and restaurants.

A．reference	B．preference
C．performance	D．consequence

题型：不详难度：| 查看答案

Because of H7N9 bird flu, all the chicken markets in Shanghai have been closed and won"t open until further ________.

A．sign	B．symbol
C．contact	D．notice

题型：不详难度：| 查看答案

I have learned that it"s taking ________ long time to become ________ person I want to be.

A．the; a	B．a; the
C．the; the	D．/; a

题型：不详难度：| 查看答案

(2013·山西省太原市统一检测)—David, the windows of the room are very dirty. ________ I clean them before we move in?
—Of course.

A．Will	B．Would
C．Shall	D．Do

题型：不详难度：| 查看答案

(2013·吉林长春一模)—Please don"t tell anybody.
—I ________. I promise.

A．can"t	B．don"t
C．won"t	D．mustn"t

题型：不详难度：| 查看答案

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