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1、阅读强化训练(十二)(建议用时：25分钟) 阅读理解The Internet plays a big part in human life.We use it for work and pleasure.We use it to learn a new language.We find advice on it.We use it to connect with family and friends.We use it to stay in touch with events we care about.The list goes on and on.Well，that_train_has_l
2、eft_the_stationBut can using the Internet too much be bad for our health？It might be，researchers say.A new study finds that heavy Internet use may be connected to high blood pressure(血压)in an unlikely group：teenagers.High blood pressure makes your heart and blood vessels(血管)work too hard.Over time，t
3、his extra pressure increases your risk of a heart attack.High blood pressure can also cause heart and kidney(肾脏)disease.It is also closely linked to a brain disease.The Henry Ford Hospital in Detroit，Michigan did the study.335 young people from 14 to 17 years old，took part in it.134 of the teens wer
4、e described as “heavy Internet users”. And researchers found that out of these 134 teens，26 had high blood pressure.The lead researcher is Andrea CassidyBushrow.She said，“Using the Internet is part of our daily life，but it shouldnt ruin us.” Ms. CassidyBushrow adds that it is important for teens to
5、take regular breaks from their computers or smartphones and do some kind of physical activity.She also suggests that parents limit(限制)their childrens use of the Internet to two hours a day，five days a week.【解题导语】本文是一篇说明文。一项研究发现，青少年过度使用因特网可能会导致高血压。1The underlined expression “that train has left the s
6、tation” in Para.2 is used to show_Athe Internet develops rapidlyBno one can escape from the InternetCthe Internet can provide whatever we wantDthere is no going back to an Internetfree lifeD解析：句意理解题。文章首句讲到现在因特网对于人类生活来说至关重要，接着列举了我们日常生活中用到因特网的方方面面。在第二段作者引用了这句that train has left the station，紧跟着又提出疑问：过度
7、使用因特网会不会影响我们的健康？由此可知这句话在此处所要表达的意思就是：我们不能返回到没有因特网的生活了。2What is Para.3 mainly about?ACauses of high blood pressure.BThe harm of high blood pressure.CThe disadvantages of Internet use.DWays to prevent high blood pressure.B解析：段落大意题。根据文章第三段的内容可知，本段讲的是高血压的种种危害。3Andrea CassidyBushrow would agree that _Atee
8、nagers shouldnt use the InternetBthe Internet will ruin human life in the futureCsmartphones are more harmful than computersDregular breaks are necessary when using the InternetD解析：推理判断题。根据文章最后一段中的Ms.CassidyBushrow adds that it is important for teens to take regular breaks from their computers or sm
9、artphones.可知，Andrea CassidyBushrow认为上网时隔一段时间就休息一下是很有必要的。4What can be used as the best title of the passage?AHeavy Internet Users Are Mostly TeenagersBHow to Prevent Teenagers from the InternetCToo Much Internet Use May Be Bad for TeenagersDEvery Coin Has Two SidesSo Does the InternetC解析：标题归纳题。文章主要讲的
10、是一项研究发现青少年过度使用因特网可能会导致高血压，由此可知C项作为文章标题最佳。 完形填空Are you carrying too much on your back at school？Im _1_ lots of children of your age will say “yes”. Not only do the students in China have this problem, but children in the United States are also _2_ of heavy school bags.Doctors are starting to worry th
11、at more and more _3_ students are having back and neck problems _4_ heavy school bags. “Its _5_ for me to go upstairs with my bag because its so heavy，” _6_ Rick Hammond, an 11yearold boy in the US. Rick is among the students whose school bags have two straps(带子) to _7_ them, but many other students
12、 _8_ rolling backpacks(拉杆书包). The _9_ is that even with rolling backpacks, getting up stairs and buses is _10_ a problem for children.Well, how much is too much? Doctors _11_ that students carry no more than 10% to 15% of their own body weight. Scott Butch, a doctor for _12_ pain, said children unde
13、r 4th grade should stay with 10%, but it is also _13_ that older children dont go beyond 15% _14_ their bones are still growing. “There are other injuries caused by _15_，”Butch explained. “And it is _16_ for children to fall down with these large heavy bags，” he added.Parents and teachers have come
14、up with some new _17_. They have started to tell children to only take home library books they will be _18_ that night. Some teachers are also using pieces of paper or _19_ workbooks for students to take home. One of the best answers though, as some _20_ themselves have suggested, is to have no home
15、work at all!【解题导语】本文是一篇说明文。越来越重的书包给孩子们带来了种种问题。1A.sure BluckyChappy DsurprisedA解析：由下文的Doctors are starting to worry that more and more.students are having back and neck problems可知，作者认为该问题的答案是肯定的，故填sure。2A.free Bproud Ctired DcarefulC解析：由该空前的Not only do the students in China have this problem可知，不但中国的学生有这样的问题，美国的孩子们也“厌烦(tired)”了沉重的书包。3A.good Btall Cforeign DyoungD解析：由上文的children of your age和下文的an 11yearold boy可知，这里是说沉重的书包给“小(young)”学生们的脊椎和颈椎带来的问题。 4.A.as for Bbecause of Cinstead of Dexcept for
