Public service advertisements are often run free, and are to educate people about health, safety, or any other issue which affects public welfare.A．for, meanB．for, meantC．of, to meanD．in, meaning 题目和参考答案——青夏教育精英家教网—

题目内容

Public service advertisements are often run _____ free, and are ______ to educate people about health, safety, or any other issue which affects public welfare.

A．for, mean

B．for, meant

C．of, to mean

D．in, meaning

解析

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阅读理解

　　We have met the enemy and he i s our s．We bought him at a pet shop．When monkey-pox, a di sea se u sually found in the African rain fore st suddenly turn s up in children in the American Midwe st, it' s hard not to wonder of the di sea se that come s from foreign animal s i s homing in on human being s．“Mo st of the infection s we think of a s human infection s started in other animal s, ” say s Stephen Mor se, director of the Center for Public Health Preparedne s s at Columbia Univer sity．

　　It' s not ju st that we're going to where the animal s are; we're al so bringing them clo ser to u s．Popular foreign pet s have brought a whole new di sea se to thi s country．A strange illne s s killed I sak sen' s pet s and she now think s that keeping foreign pet s i s a bad idea, “I don't think it' s fair to have them a s pet s when we have such alimited knowledge of them．” say s I sak sen．

　　“Law s allowing the se animal s to be brought in from deep fore st area s without stricter control need changing．” say s Peter Schantz．Monkey-pox may be the wake-up call．Re searcher s believe infected animal s may infect their owner s．We know very little about the se new di sea se s．A new bug(病毒)may be kind at fir st．But it may develop into something harmful．Monkey-pox doe sn't look a major infectiou s di sea se．But it i s not impo s sible to pa s s the di sea se from per son to per son．

(1)

We learn from Paragraph 1 that the pet sold at the shop may ________．
[　　]
A．	come from Columbia
B．	prevent u s from being infected
C．	enjoy being with children
D．	suffer from monkey-pox

(2)

Why did I sak sen advi se people not to have foreign pet s?
[　　]
A．	Becau se they attack human being s．
B．	Becau se we need to study native animal s．
C．	Becau se they can't live out of the rain fore st．
D．	Becau se we do not know much about them yet．

(3)

What doe s the phra se “the wake－up call” in Paragraph 3 mo st probably mean?
[　　]
A．	A new di sea se．
B．	A clear warning．
C．	A dangerou s animal．
D．	A morning call．

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