1、1 Unit 3 Computers .阅读理解 A (2018吉林长春检测) Electronic books have changed the way many people read for pleasure.Now online textbooks are changing the way some students learn and some teachers teach. More than one hundred and seventy-five thousand students attend the public schools in Fairfax County,Virg
2、inia,outside Washington.Last year,the school system used digital(数字的) books in fifteen schools.This school year,middle schools and high schools changed from printed to electronic textbooks in their social studies classes. Luke Rosa is a history teacher at Falls Church High School.His students work o
3、n laptop computers at school.He explains the idea to them this way,“I mean,its just like a regular textbook,except its got it all,online.” Peter Noonan,an assistant superintendent(助理监督) of schools,said,“The worlds changing.And the online textbooks can change right along with the events that are happ
4、ening.” Digital books also cost less than printed textbooks,he said. A student named Melanie Reuter said,“I dont have to carry a textbook around,so thats nice.” But another student said,“I dont like it because the Internet sometimes doesnt work.” Students also need access to the Internet when they a
5、re not at school.About ten percent of students in Fairfax County do not have a computer or online access at home.Public libraries in the county have free Internet.There are also after-school computer labs as well as computer clubhouses supported by the county.Middle school student Slieman Hakim is h
6、appy about that.He said,“My family only has one computer;my sister and I both do our homework on it.So I come here to do my homework.Its good.” Other school systems in the area are also considering online textbooks. 1.Which of the following is NOT used when students have social studies classes?A.Com
7、puters. B.The Internet. C.Paper textbooks. D.Electronic textbooks. 2.One of the disadvantages of digital textbooks is that . A.theyre more expensive2 B.they cant be used if the computer is offline C.theyre soon out of date D.reading online does harm to students eyes 3.Why does Slieman Hakim feel hap
8、py? A.He is offered a free computer to do his homework. B.He doesnt have to do his homework at home. C.He has access to the Internet to study at any place. D.He neednt share a computer with his sister to do homework. 4.What can we learn from the passage? A.All students like digital textbooks because
9、 they are new. B.Digital textbooks are more beautiful than paper textbooks. C.Students can do their homework in the computer clubhouses. D.The lessons online are completely different from those in paper textbooks. 导学号23280038 B (2018陕西西安中学期中检测) The Internet plays a big part in human life.We use it f
10、or work and entertainment.We can find new recipes on the Internet or advice on staying healthy.We can even use it to learn a new language.We use the Internet to keep in contact with family and friends and stay in touch with issues we care about.The list goes on and on.So,there may be no going back t
11、o an Internet-free life.But can using the Internet too much be bad for our health?It might be,say researchers.A new study finds that heavy Internet use may be connected to high blood pressure in an unlikely group teenagers.So,try to be a responsible guardian(监护人). The study results show that teens w
12、ho spend at least 14 hours a week online were more likely to have high blood pressure.High blood pressure makes your heart and blood vessels work too hard.Over time,this extra strain increases your risk of a heart attack or stroke.High blood pressure can also cause heart and kidney disease.It is als
13、o closely linked to some form of dementia(痴呆),or a brain disease. The Henry Ford Hospital in Detroit,Michigan did the study.It involved 335 young people,from 14 to 17 years old.One hundred and thirty-four of the teens were described as “heavy Internet users”.Researchers found that out of these 134 t
14、eens,26 had high blood pressure.The researchers say the study is the first one to connect heavy web use with high blood pressure.Other research has connected that heavy Internet use with health problems including anxiety,depression and obesity. The lead researcher of the study is Andrea Cassidy-Bush
15、row.For the purpose of the study,she explains,teens considered heavy Internet users were online on average 25 3 hours a week.It is important for teens to take regular breaks from their computers or smartphones and to do some kind of physical activity.She also suggests that parents limit their childr
16、ens use of the Internet to two hours a day,five days a week. The Centers for Disease Control and Prevention(CDC) says,70 million,or 29%,of American adults have high blood pressure.The CDC estimates that high blood pressure costs the United States $46 billion each year. 5.The author mainly wants to t
17、ell us . A.how to prevent high blood pressure B.too much Internet use may be bad for teenagers C.its necessary for teenagers to avoid the Internet D.heavy Internet use will worsen teenagers memory 6.The first paragraph of the text is used to . A.introduce the topic B.analyze the causes C.offer some
18、opinions D.make some suggestions 7.According to Cassidy-Bushrow,teenagers use of the Internet should be limited to . A.25 hours a week B.2 hours a week C.10 hours a week D.5 hours a week 8.The text is mainly intended for . A.parents B.teachers C.web-designers D.students 导学号23280039 .七选五阅读 Speaking i
19、s not equal to learning 1.You dont need to study grammar too much. The first suggestion may sound strange to many students who begin to learn English,but it is exactly important. 1 However,if you want to speak fluently,you should try to speak English without thinking too much of grammar.Studying gra
20、mmar will only slow you down and make you hesitate.You will think about the grammar rules instead of naturally saying a sentence like a native. 2.You cant translate every word.4 When you try to speak English,you do not need to translate every word from your mother tongue. 2 Another problem you may m
21、eet is that you will misuse grammar rules that you have learned in your mother language. 3. 3 The reason why many people can learn well is that they often practise.But in order to speak English fluently,you need to practise speaking.When you study,dont just listen.Speak out loud the material you are
22、 listening to and practise what you hear.Practise speaking out loud until your mouth and brain can do it without any effort. 4 4.You should study correct material. A phrase you often hear is,“Practice makes perfect.” This is not completely true.Practice only makes what you are practising permanent.I
23、f you practise the incorrect sentence,you will have perfected saying the sentence incorrectly. 5 A.You should try to speak fluently. B.You need to practise speaking what you hear. C.By doing so,you will be able to speak English fluently. D.If you want to pass examinations,you should study grammar we
24、ll. E.If you listen more,you can speak correctly and fluently sooner or later. F.Therefore,it is important that you study material that is commonly used by most people. G.The order of words is probably completely different and you may be both slow and incorrect by doing this. 导学号23280040 .书面表达 (2018
25、河北滦南一中期中检测) 假定你是李华,你校外事处招募暑假“志愿家庭”,接待来你市参观访问的美国中学生代表。 请用英文写份承接申请,内容包括: 1.介绍家庭成员及居住、交通条件; 2.说明英语交流沟通水平; 3.安排美国朋友参加的家庭活动。 注意: 1.词数100左右; 2.可以适当增加细节,以使行文连贯。答案：5 .【解题导语】随着因特网的普及,电子教材正在改变着学生学习和老师授课的传统模式。 1.C 根据第二段的“This school year,middle schools and high schools changed from printed to electronic textbo
26、oks in their social studies classes.”可知,本学年学生上社 会学课使用的是电子教材。根据文章信息可知使用电子教材需要电脑、电子教材和互联网,普通教 材当然就不需要了。 2.B 根据第六段另一学生的观点“I dont like it because the Internet sometimes doesnt work.”可推断出,电子教材的一个不利之处就是,当连接不上因特网的时候,电子教材就 没法使用。 3.D 根据倒数第二段的“My family only has one computer;my sister and I both do our homewo
27、rk on it.So I come here to do my homework.Its good.”可知,Hakim家只有一台电脑,之 前他和妹妹都需要上网做作业,必然会出现电脑之争。现在做作业不用和妹妹争电脑了,他当然感 到高兴。 4.C 根据倒数第二段中的“There are also after-school computer labs as well as computer clubhouses supported by the county.”可知学生也可以在 computer clubhouses 上 网做作业,故C项正确。 【解题导语】本文是一篇议论文。文章运用大量事实论述了
28、过度上网对青少年的影响以及危害。 5.B 主旨大意题。第一段告诉我们本文主要向我们介绍青少年过度上网会导致高血压。接下来文 章主要论述了这一观点。故答案为B项。 6.A 推理判断题。第一段主要告诉我们网络有很多好处,段尾部分指出过度上网有害,告诫(家长) 做一个负责任的监护人,从而引出主题。故答案为A项。 7.C 细节理解题。根据第四段中的“She also suggests that parents limit their childrens use of the Internet to two hours a day,five days a week.”告诉我们青少年 上网时间不要超过一周
29、10小时。故选C项。 8.A 推理判断题。文章第一段段尾及第四段中的“parents limit their childrens use of the Internet”告诉我们文章主要写给广大家长。 .【解题导语】文章介绍几个练习流利英语口语的建议。 1.D 根据下文“However,if you want to speak fluently,you should try to speak English without thinking too much of grammar.”(如果你想说得流利,你应该尽量不要想太多的语法。)可 知这里是:如果你想通过考试,你应该学好语法。故选D项。 2
30、.G 根据上文“When you try to speak English,you do not need to translate every word from your mother tongue.”(当你想说英语的时候,不必按照母语逐字翻译。)可知这里是:词的 顺序可能完全不同,这么做可能既慢又不正确。故选G项。 3.B 根据下文“The reason why many people can learn well is that they often practise.”(很多人学得好的原因是他们经常练习。)可知这里是:你需要练习说你听见的。故选 B项。 4.C 根据上文“Practi
31、se speaking out loud until your mouth and brain can do it without any effort.”(大声练习说直到你的嘴和大脑能毫不费力地这么做。)可知这里是:这么 做,你将可能流利地说英语。故选C项。6 5.F 根据上文“If you practise the incorrect sentence,you will have perfected saying the sentence incorrectly.”(如果你练习不正确的句子,可能你完全错误地说这个句子。)可知 这里是:学习大部分人普遍使用的材料很重要。故选F项。 .Dear
32、 Sir, I sincerely hope that my family can have the honour to be a host family. I live with my parents who are caring and friendly.Our home is next to the city center,where easy shopping access and convenient transportation are available.We can offer one separate room for the student.My good command
33、of English makes me free to communicate with foreigners in daily life.So I believe I will be a qualified host.If given the chance,I will invite our guests to join in my family get- together.Besides,we can see around the city,getting the student to know more about real life and culture in China. In a word,Im eager to provide an impressive trip for the foreign visitors.Hope you can take my application into consideration.
