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1、Unit 2 Robots.阅读理解(2017海南省海口市第一中学月考)Why do human beings still risk their lives under ground and doing one of the dirtiest and most dangerous jobs in the world? It is an increasingly urgent question, given the recent mining accidents in Sago, W. Va and Huntington, Utah. A small group of engineers and
2、 robotics experts look forward to a day in the nottoodistant future when robots and other technology do most of the dangerous mining work. Robotic technology, in particular, holds much promise, McAteer says, especially when it comes to mapping mines and rescuing trapped minersthe special operations
3、of the mining industry. One of the first mining robots was developed five years ago at Carnegie Mellon Universitys Robotics Institute. It was called Groundhog. It used lasers(激光器) to “see” in dark tunnels and map abandoned minessome of the most dangerous work in the business. The latest design is ca
4、lled Cave Crawler. Its a bit smaller than Groundhog，and even more advanced. It can take photos and videos and has more sensors that can detect the presence of dangerous gases. Incredibly，the robot has a real sense of logic. If it comes across an obstacle it gets momentarily confused. It has to think
5、 about what to do and where to go next. Sometimes it throws_a_fit just like a real person. The greatest problem, though, is cost. The money of the earliest research project was provided by the government, but that money had dried up, and its not clear where future money will come from. Partly for th
6、at reason, and partly because of advances in safety, mining is not nearly as dangerous as it was in the past. Since 1990, fatalities(致命性) have declined by 67% and injuries by 51%, according to the National Mining Association. Some experts predict that robots in mines will serve much of the same func
7、tion that they do in the automotive industry. The robots do the most boring and dangerous jobs，but wont get rid of the need for human workers. 1The latest robot is more advanced than Groundhog, mainly because _.Ait can map abandoned minesBit has a real sense of logicCit can see in the dark tunnelsDi
8、ts smaller than Groundhog 2The underlined phrase “throws a fit” in paragraph 4 probably means “_”Agets sickBgets angryCbecomes hungryDbecomes cheerful 3We can infer from the last paragraph that _.Athe mine robots will have a very bright future Brobots in mines will serve much in the automotive indus
9、try Cthere will be no need for human workers in minesDrobots in mines only do some simple jobs now 4We can infer from the text that _.Arobots cannot do dangerous work in dark areas Bthe mining robots do most of the mining work at presentCgroundhog can discover the presence of dangerous gasesDexperts
10、 are trying to make robots help miners with dangerous work 答案与解析文章介绍了一种新研发的机器人，和以前的Groundhog相比，它有真正的逻辑能力，最重要的是，它可以帮助矿工们做一些危险的事情。1B从文章第四段的句子：Incredibly，the robot has a real sense of logic.可知最新的机器人比Groundhog更先进，因为它有真正的逻辑能力，故选项B正确。2B从第四段的句子：If it comes across an obstacle it gets momentarily confused.So
11、metimes it throws a fit just like a real person.有时它会像真人一样生气，可知“throws a fit”意思是“生气的”，故答案选B。3A从最后一段的句子：Some experts predict that robots in mines will serve much of the same function that they do in the automotive industry.可知矿场机器人有更光明的未来，故答案A正确。4D从文章第一段的句子：A small group of engineers and robotics exper
12、ts look forward to a day in the nottoodistant future when robots and other technology do most of the dangerous mining work.可知这篇文章讲的是研究人员正研究在矿场工作代替工人做危险的工作的机器人，故答案D正确。.七选五(2017河南省部分重点中学联考)Its normal to wake briefly during the night. _1_ But if youre waking up during the night and having trouble falli
13、ng back asleep，the following tips may help.Stay out of your head. The key to getting back to sleep is continuing to prepare your body for sleep，so remain in bed in a relaxed position. Hard as it may be，try not to stress over the fact that youre awake，because that very stress and anxiety encourage yo
14、ur body to stay awake. _2_3_ If you are finding it hard to fall back asleep，try a relaxation technique such as visualization(想象), or deep breathing，which can be done without even getting out of bed. Remind yourself that although theyre not a replacement for sleep，rest and relaxation still help refre
15、sh your body.Do a quiet, nonstimulating activity. If youve been awake for more than 15 minutes, try getting out of bed and doing a quiet，nonstimulating activity，such as reading a book. Keep the lights dim so as not to think that its time to wake up. _4_ A light snack might relax you，but be careful n
16、ot to eat so much that your body begins to expect a meal at that time of the day._5_ If you wake during the night feeling anxious about something，make a brief note of it on paper and delay worrying about it until the next day when you are fresh and it will be easier to resolve.AMake relaxation your goal，not sl
