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1、高一英语必修三Unit 3课时练习（Reading）一、词汇运用：1. It was his responsibility for foreign _ (事务) that gained him international reputation.2. Will the_（软件）run on my machine？3. Peter stood by me when I most needed him. Ill always _ (感恩) that.4. It is the obligation of every citizen to perform _ (军队的) service in many
2、countries.5. The only_（通道）to that village is across the farmland.6. He was _ (明显地) very nervous and stood awkwardly before the microphone.7. Unlike her classmates, she played _ (羽毛球) and basketball most of the time in the summer vacation.8. Hes been very quiet and withdrawn, sort of different, _ (不知
3、怎么地).9. Electric cars are not perfect just yet. It can take eight hours to charge the car _ (电池) for only 100 miles of driving.10. The manager made no_（评论）on my suggestion at the meeting.11. He sat in a kitchen chair，reached down and pulled off his_（靴子）.二、短语填空(用所给短语的适当形式填空，有两项多余)：at ones fingertips;
4、be glued to；shoot past;be aware of;knock sb. off ones feet; cut back on;take off;bring up;turn to;get in the way of;at ones fingertips;above all else;1. The plane _ at 10：00, so you must try to be at the airport by 9：00.2. The minute the war started, everybody _ the television.3. She has nobody she
5、can_.4. Poor thing, her husband has left her with three children to _5. He _ by a speedy car before he knew what had happened.6. Computer technology puts all the information in the world _7. In this matter we must place the common cause _8. Mr Smith sang happily on his way home when a car _ him, nea
6、rly knocking into him.9. If we fail to sell enough goods, we will have to _ production.10. Im trying to _Jane. Do you have her number?三、阅读理解：What Is Social Media?Not many people ask the question “what is social media?” anymore. Social media has been around for years, and most of us would probably de
7、scribe it as any Internet medium that can be used to share information with others, including blogs, forums, applications, games, websites and other stuff.But let me ask you this:what exactly is so“social”about sitting before a computer, setting up a blog and blogging for days without anybody readin
8、g it,or scrolling through your Facebook full of information from 500 friends you barely know? If you ask me,it can be a way more anti-social than anything.Social media is not a “thing”. Its not just Facebook, WeChat and Weibo. Its more of a frame of mind and a state of being. Its about how you use i
9、t to improve your relationships with other people in real life. However, we tend to rely ontechnologyand social media so much that it can actuallytear apartthose relationships.Social media isnt about numbers. When someone says“social media”,web giants like Facebook, Twitter, WeChat and Weiboinstantl
10、ypop into our minds,often because they have more updates, more friends, more followers, more links, more photos, and more everything. We tend to get distracted by the number game,thinking“volume, volume, volume”. It has led to a lot of meaningless noise and information overload. As the old saying go
11、es, quality over quantity is usually the way to go. So, social media is not justabout lots of people aimlessly pushing around lots of information.Social media needs to have an“IRL”factoran Internet slang standing for“In Real Life”. It should affect how a person thinks or acts offline. After all, soc
12、ial media shouldnt be an end in itself. It has been built to enhance your actual social life. Take for example an event that a person attends because he is invited by the host on Facebook through a Facebook event page. Something like that definitely has the IRL factor. Likewise, a WeChat photo that
13、touches someone so much that he feels the need to bring it up and describe it to someone else during a dinner date also has the IRL factor.So, is it really considered to be social to spend an hour scrolling through photos on Weibo, with no thoughtful or emotional effect and no interaction with other
14、s? In fact, there is no wall between real life and Internet life where true social media exists. Social media is not aspecificplace on the Internet or just a thing you use to see what other people are doing. Its all about creating meaningful experiences and relationships wherever you may be.4. What
15、does the underlined phrase “tear apart” in Paragraph 3 mean in the text?A. Destroy.B. Change.C. Continue.D. Strengthen.5. The writer thinks that social media should be_.A. a number of websites where people communicateB. a set of social tools like Facebook, WeChat and WeiboC. a collection of online a
16、pplications where ideas are exchangedD. a group name for online platforms used to strengthen meaningful relationships6. According to the author, which of the following cases has an IRL factor?A. Updating Facebook on a regular basis.B. Folio wing new friends on Facebook.C. Visiting a museum with frie
17、nds after reading a story on Weibo.D. Reading Twitter to see what other people are doing and thinking about.7. What is the authors purpose of writing this article?A. To explain the im_portance of social media.B. To inform the negative effects of social media.C. To call on readers to use social media
18、 to promote real social life.D. To encourage readers to interact with others in real life more often.四、短文七选五：Imagine going to the doctor to get treatment for a terrible fever.1The robot detects the cause of your fever, travels to the appropriate system and provides medication directly for the infect
19、ed area.2They are called “nanorobot”(纳米机器人) and engineering teams around the world are working to design robots that will eventually be used to treat everything from fever to cancer.In recent years, researchers have been building nanorobots out of a familiar materialthe same stuff that makes human l
20、ife possible.3DNA is all around and in youyou just cant see it. If you were to look inside almost any cell inside any living creature, you would find DNA.This might sound surprisingespecially since these nanorobots dont need batteries(电池) or any power sources. Instead, they work by using the natural
21、 structure of DNA.The nanorobots “crawl” (缓慢行进)on DNA. Sometimes researchers refer to these things as DNA “spiders”.4A nanorobot could, perhaps, destroy just a cancerous cell, for example, but leave healthy cells alone.5But the future is bright for nanorobots made from DNA. One day, perhaps the mach
22、ine made from DNA will swim around in the human body, delivering medicine to diseased cells or helping doctors diagnose problems. Or maybe itll help build the smallest computers the world has ever seen.A.These nanorobots are made from DNA.B.Nanorobots made from DNA arent useful yet.C.This descriptio
23、n will give you a simple picture of the legs of a DNA nanorobot.D.In other words, the DNA nanorobot destroys the track as it goes.E.Being able to make such a tiny thing move in a certain way might be useful for health.F.Instead of giving you a pill or a shot, the doctor puts a tiny robot into your b
24、loodstream.G.In fact, were not that far from seeing devices like this actually used in medical procedures.Keys:一、词汇运用：1.affairs2. software3. appreciate4. military5. access6. obviously7. badminton8. somehow9. battery10. comment11. boots二、短语填空1. takes off1. was glued to3. turn to2. bring up3. was knocked off his feet3. at our fingertips4. above all else2. shot past4. cut back on4. get in touch with三、阅读理解：ADCC四、短文七选五：FGAEB学科网（北京）股份有限公司