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资料目录
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(完整)七年级英语试卷分析
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举例
阅读理解4
Sometimes vaccines(疫苗) do not provide lifetime immunity(免疫). Some are only effective(有效)for a limited amount of time. In such cases, shots are necessary to maintain continuous vaccine protection. These shots are given at regular time. One vaccine, the flu (流感)vaccine, must be given every year. This is because there are many kinds of the flu.
A vaccine given in one year may provide protection against certain kinds of the flu virus, but when the next year’s flu season starts, vaccination against newer or different kinds may be required. Furthermore, flu vaccines do not provide protection for a lifetime. After as little as one year, protection may be far less than enough.
18. According to the passage, if you have a flu vaccine, you will be protected from flu _____________.
A. for a year B. for every year C. in the whole life D. for two years
19. The reason why one needs to have vaccine for flu every year is that____________.
A. flu cannot be cured B. flu can never die
C. flu would change every year D. flu never change
20. When the flu season starts, new_______ are needed.
A. patients B. viruses C. doctors D. vaccines
21. According to the passage, which of the following sentence is TRUE?
A. One must have flu vaccine. or he will die.
B. Flu vaccines cannot protect a person for the whole life.
C. Vaccines never really protect people.
D. Children should not be given vaccines.
22. What is the best title of the passage?
A. A Vaccine. Lifetime Immunity.
B. Vaccine Can Protect You
C. How to Deal with Flu?
D. Vaccine Helps,but Not Lifetime Immunity
【答案】18. A 19. C 20. D 21. B 22. D
【解析】短文以流感疫苗为例,主要讲述疫苗的时效性:疫苗不能提供终身免疫的功能。
18. 句意:根据短文描述,如果你接种流感疫苗,你将在一年内免受流感的侵袭。
推理判断题。短文首段第五句说:One vaccine, the flu vaccine, must be given every year.每年都必须接种流感疫苗。由此可判断,流感疫苗的有效期是一年。故选A。
19. 句意:人们每年需要接种流感疫苗的原因是流感(病毒)每年都有变化。
推理判断题。短文首段最后一句说:This is because there are many kinds of the flu.(这是因为有很多类型的流感(病毒)。)第二段首句进一步说明:A vaccine given ...be required.(一年内接种的疫苗可以预防某种流感病毒,但明年流感季节开始时,可能需要接种新的或不同种类的疫苗。)由此可判断,“流感(病毒)每年都有变化。”故选C。
20. 句意:当流感季节开始时,需要(接种)新的疫苗。
细节理解题。由第二段首句“... vaccination against newer or different kinds may be required. ”可知,当流感季节开始的时候,人们需要接种新的疫苗。故选D。
21. 句意:根据短文描述,以下哪一项是正确的?
细节理解题。A.人们必须接种疫苗,否者就会死。B. 流感疫苗不能保护一个人一生。C.疫苗从来都没有真正地保护人们。D.儿童不应该接种疫苗。短文未提及A、D两项内容。短文首段首句说:Sometimes vaccines do not provide lifetime immunity.。由此可知,C项描述与原文不符:“有时疫苗不能提供终身免疫(功能)”而并非“不能真正地保护人们”。短文第二段第二句说:Furthermore, flu vaccines do not provide protection for a lifetime.(此外,流感疫苗不能提供终生保护。)这与B项表述一致。故选B。
22. 句意:短文的最佳标题是什么?
最佳标题。A.一种疫苗:终身免疫。B.疫苗可以保护你。C.如何应对流感?D.疫苗有帮助,但不是终身免疫。短文以流感疫苗为例,主要讲述疫苗的时效性:疫苗不能提供终身免疫的功能。所以短文的最佳标题是:疫苗有帮助,但不是终身免疫。故选D。
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