1、【 精品教育资源文库 】 单元检测（二十） Traffic Jam .阅读理解 A Nearly every driver has experienced that feeling of great tiredness, where it becomes almost impossible to stay awake at the wheel. 14yearold Katherine Wu is too young to have experienced this situation firsthand. However, she noticed how difficult it was f
2、or her dad to remain awake while driving back from their family vacations in Florida to their home in Maryland. Her mom had to talk to her dad all the way. “So I created a tool that can be used instead of my mom talking to my dad to make sure he stays awake and is safe， ” she says. Her invention, “D
3、rivers Companion” ， can notice driver sleepiness and warn the driver if he or she is too tired to be on the road. The user wears a headset (耳机 ), which sends information about the drivers brain waves (脑电波 ) to a tiny computer. The computer can be placed in front of the driver. The system then gives
4、warnings, if needed. As the driver becomes sleepier, red color will be shown to warn him or her. The driver will also hear messages warning him to get off the road. The machine can say, “Youre tired. Please take a break.” After sending her invention to the 2014 Discovery Education 3M Young Scientist
5、 Challenge, Wu was chosen as a finalist and was able to work with Dr. Jesse Miller, who is a product development specialist. “He helped me understand how important it is to make sure that my invention worked for the people who were using it and that it was userfriendly， ” Wu says. As a young scienti
6、st, Wu has some advice for other students of her age: “I would like to tell them that they should choose something theyre interested in. So theyll be willing to spend more time on it and enjoy working on it more. Also, when theres difficulty, they should just continue working hard because theyll get
7、 over it.” 语篇解读：本文是一篇说明文。一个美国女孩发明了一种防止疲劳驾驶的装置。 1 Why did Wus mother talk to her dad all the way? A To prevent an accident. B To help him feel relaxed. C To discuss their vacations. 【 精品教育资源文库 】 D To make the trip enjoyable. 解析：选 A 推理判断题。由第一段中的 “she noticed how diffic ult it was for her dad to remai
8、n awake while driving back” 可知， Wu 的母亲为了防止意外发生，一路上不断地跟 Wu 的父亲说话以使其保持清醒，故选 A。 2 What is the purpose of “Drivers Companion” ？ A To show drivers the way. B To prevent drunk driving. C To improve driving skills. D To help drivers stay awake. 解析：选 D 细节理解题。由第三段中的 “Drivers Companion ， can notice driver sle
9、epiness and warn the driver if he or she is too tired to be on the road” 可知，“ 司机伙伴 ” 能够让司机保持清醒，故选 D。 3 Which of the following shows how Drivers Companion works? A SleepinessHeadsetWarnings Computer B SleepinessWarningsHeadsetComputer C SleepinessHeadsetComputerWarnings D SleepinessComputerHeadsetWar
10、nings 解析：选 C 细节理解题。由第四段中的相关内容可知， C 项正确描述了 “ 司机伙伴 ”的工作顺序。 4 Wu advises other young students _. A to enjoy their lives B to learn to love science C not to do dangerous jobs D not to give up what they love 解析：选 D 细节理解题。由最后一段中的 “they should choose something theyre interested in” 和最后一句可知， Wu 建议其他学生要敢于选择自
11、己感兴趣的事情并且坚持做下去，故选 D。 B About three decades ago, China was known as the “Bicycle Kingdom” But the twowheeled transports popularity began to fade, with many bikes soon replaced by their fuelpowered competitors. But recent months have seen a renaissance of the bike across China, with an increasing numb
12、er of people choosing cycling instead of 【 精品教育资源文库 】 driving to schools, to workplaces or to do sightseeing.The introduction of bikesharing schemes, first developed by new companies like Ofo and Mobike, has brought the trend to a new level.According to data from iResearch Consulting Group, the fir
13、st week of this year saw 5.85 million active users of Mobike while Ofo had 1.4 million active users. People can unlock the shared bikes by simply using their smartphones.The bikes are equipped with GPS and can be left anywhere in public places for the next user.Theyre popular among many Chinese peop
14、le as they provide an effective answer to the “last mile” problem, which refers to a persons final journey.“In places where the subway doesnt reach and where its difficult to change from one kind of transport to another, its so easy to get where you want to go with Mobike， ” Hu Hong, 29, said.She ri
15、des a bike to work. However, the schemes have also led to problems such as illegal parking, vandalism (故意破坏 ) and theft.“Bikesharing is a greener method of transportation and provides a userfriendly experience， ” said Liu Xiaoming, ViceMinister of Transport.“But its a combination of online and offli
16、ne business.Operators are usually strong in online services, but lack offline business experience.” In fact, these problems are also shared by bikesharing schemes abroad.Set up in 2007, Vlib is a largescale public bike sharing system in Paris.By October, 2009, a large number of Vlibs initial bikes h
17、ad to be replaced due to vandalism or theft.Bikes were found hanging from lampposts (街 灯柱 ) or thrown into the Seine River. 语篇解读：本文是一篇说明文。共享单车在中国兴起，这种创新的交通方式让人们的出行变得更便利的同时也存在着诸多问题。 5 What can we learn about Ofo and Mobike from the text? A Their bikes are aimed at people who cant afford a car. B They
18、 are pioneers in the field of bike sharing in China. C There are 7.25 million people using their bikes this year. D No other bikesharing system in the world can match theirs. 解析：选 B 细节理解题。由第二段的 “The introduction of bikesharing schemes, first developed by new companies like Ofo and Mobike” 可知， Ofo 和
19、Mobike 是最早把单车共享方案引入中国的公司，也就是说，它们是中国单车共享领域内的开辟者。 6 Why are shared bikes convenient according to Hu Hong? 【 精品教育资源文库 】 A They can be shared by a lot of different people. B They allow people to use various forms of transport. C They are a useful addition to other means of transport. D They are accessi
20、ble as long as people have smartphones. 解析：选 C 推理判断题。由第三段 Hu Hong 的话可知，在地铁到不了的地方和难以更换交通方式的地方，共享单车可以轻易地带你去任何你想去的地方；由此可以推知，她认为共享单车方便是因为它们是对其他交通方式有用的补充。 7 What do we know about the existing problems with bike sharing? A They are actually universal phenomena. B They are brought by bikesharing users. C T
21、hey are mainly caused by the operators. D They are the results of illegal companies. 解析：选 A 细节理解题。由最后两段尤其是最后一段的 “these problems are also shared by bikesharing schemes abroad” 可知，单车共享存在的问题是一种 国内外都普遍的现象。 8 What could be the best title for the text? A What problems does bike sharing face in China? B Bi
22、ke sharing: a new battle begins in China C Why is bike sharing popular in China? D Bike sharing is booming in China 解析：选 D 标题归纳题。阅读全文可知，本文主要介绍了共享单车在 中国兴起的情况，并说明了它的好处与随之而来的问题。 . 完形填空 In the middle of town lived an old man. One day he _1_ his watch in his own store. It was _2_ to him because it was fr
23、om his wife. After searching _3_ in the store for a long while, he _4_ to ask for help from a group of children playing outside the store. He _5_ them that the person who found it would be rewarded. _6_ this, the children hurried inside the store, went through and around the _7_ store, but still could not find the w
