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1、Unit 2 Robots李仕才*阅读理解。If you want a little extra security against thieves stealing your bicycle, designer Dennis Siegel has designed a solution. The RFID Bikealarm is attached to the seat on a bicycle and gives off an alarm when it senses movement. “The RFID Bikealarm is meant to be a useful add-on
2、to mechanical bicycle locks because it greatly extends the range of protection with only a few components, ” Siegel explains on his website. “It is low-cost, durable and easy to use. ”The Bikealarm was designed as part of Siegels Bachelors degree thesis at the University of the Arts Bremen in German
3、y. The device will scare off any would-be thief the moment he begins to steal the bicycle to which it is attached. It is able to continuously sense the environment to distinguish between specific events, for instance a passing tram/car and a serious theft. Siegel created a working model of an alarm
4、that would sound when it sensed movement, but wasnt initially sure how it would be best attached to a bicycle. “I decided to mount it to the rails of the seat because it allows for comfortable interaction and the position is less obvious as it looks like a small repair kit, ” he says. Siegel chose t
5、o use RFID technology rather than Bluetooth to keep the costs down. Siegel explains that the most difficult aspect of creating the alarm was to get the electronic circuit down to a small enough size. The device runs off a kind of battery that can be charged by USB within 2 hours and lasts for a few
6、days with normal use. As the Bikealarm is only at development stage, Siegel hasnt signed any agreements to put it on the market. 【文章大意】文章介绍了一种新型的防止自行车被盗的报警装置。1. When it senses movement, the RFID Bikealarm will _. A. make a warning soundB. fasten the bicycle tightlyC. shake the bicycle quicklyD. call
7、 the police automatically【解析】选A。细节理解题。根据第一段中的gives off an alarm when it senses movement. 以及第四段中的Siegel created a working model of an alarm可知。2. Which of the followings shows the right position of the RFID Bikealarm on a bicycle? 【解析】选B。细节理解题。根据第一段中的The RFID Bikealarm is attached to the seat on a bic
8、ycle and gives off an alarm when it senses movement. 以及第四段中的I decided to mount it to the rails of the seat可知它应该安装在座子下面的横梁上, 故选B。3. What do we know about the RFID Bikealarm? A. It cant tell between specific events. B. It is very difficult to use. C. It uses a kind of battery for power. D. It depends
9、on Bluetooth technology. 【解析】选C。细节理解题。根据最后一段中的The device runs off a kind of battery that can be charged by USB within 2 hours可知该装置的能量是由电池来提供的。故选C。4. It can be inferred from the last two paragraphs that _. A. the electronic circuit is a little largerB. its very easy to make a BikealarmC. it costs too
10、 much at presentD. not many Bikealarms are produced【解析】选D。推理判断题。根据文章最后一段可知Siegel还没有把这种新的报警装置推到市场。故选D。*语法填空。Residents of a town in Japan have broken the world record for building snowmen. Around 630 citizens at the Iiyama Snow Festival _1_ (make) 1,585 snowmen in one hour. The _2_ (early) record was
11、1,279 snowmen, _3_ was set in 2011. The event coincided with the opening of _4_ new bullet train station. Justin Patterson, the judge from the Guinness World Records organization, said the event was a wonderful occasion. He said _5_ the town was being buried in snow, the residents dealt with the cha
12、llenge together in a positive light.There were strict rules for the record _6_ (break). One was that each snowman had to be over 80 cm tall. They _7_ be made of three separate snowballs, with eyes, a nose and arms. People used only their hands to make _8_ . Committee member Jiro Kobayashi told the A
13、sahi Shimbun newspaper that the event suited the opening of the bullet train station. He said that thanks to the _9_ (cooperate) of many people, the record was broken. He said the event added _10_ the celebrations of the opening of the bullet train station. However, many people said that it was a to
14、ugh thing to do because the snow didnt stick together.1_ 2._ 3._ 4._ 5._ 6._ 7._ 8._ 9._ 10._ 篇章导读：本文为一篇说明文。在日本的一个小镇，人们在一个小时内堆了1585个雪人，打破了先前创造的一个小时内堆1279个雪人的纪录。1made 考查动词的时态。堆雪人是过去发生的事，所以用一般过去时。2earlier 考查形容词的比较级。此处指一个小时内堆1,279个雪人是早前的纪录，和1,585的记录进行比较，故空格处用比较级。3which 考查定语从句的引导词。先行词为record，指物，故用which引
15、导非限制性定语从句。4a 考查冠词。此处表泛指，故用不定冠词a。5although/though 考查连词。根据语境可知，空格处应用连词although/though引导让步状语从句，指“虽然小镇被雪覆盖，但居民们还是情绪高涨，共同迎接挑战”。6to be broken 考查非谓语动词。根据语境可知，此处说的是“将被打破的纪录”，故用不定式表示将来发生的动作，又因逻辑主语record是不定式动作的承受者，所以用不定式的被动式。7must/should 考查情态动词。此处指“雪人必须/应该由三个独立的雪球组成”，故用must/should。8them 考查代词。此处指代人们堆的雪人，且作make的宾语，故用them。9cooperation 考查词性转换。此处指“幸好有许多人的合作”，且空处位于定冠词之后，故用名词形式cooperation。10to 考查介词。add to为固定用法，意为“增加；增添”。*完形填空。I remember that it was a few years ago that an old woman stepped into my video store，along with her daughter.The _1_ was displaying a serious s
