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1、20182019学年度下高二5月份联考英语试题第一部分 听力 （共两节，满分30分）略第二部分 阅读理解 （共两节，满分40分）第一节（共15小题：每小题2分，满分30分）阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。AIf youre still pressing a switch to turn your lights on and off, youre a bit behind the times. As the rest of your home gets smarter, why shouldnt your lights? The sm
2、art light switch can let you turn your lights on and off from almost anywhere with your smart phone.Lutron CasetaThe Lutron Caseta comes with a convenient remote control and combines perfectly with most major smart home services. It is an all-around option. Whether your device is Apple HomeKit, Amaz
3、on Echo, Google Home, Nest, or IFTTT, you can use the Lutron Caseta fluently, which makes it stand out from its competitors.WeMo Smart SwitchThe WeMo smart switch can be used to control the brightness in a room just by running your finger in the center of the switch. What makes it stand out, though,
4、 is its Long Press feature, which allows you to start another smart device by holding the switch for two seconds. For example, you can link it to your robot cleaner, which will start cleaning after you press the button.TPLINK KasaLike other smart models, the TPLink Kasa is equipped with plenty of pr
5、actical features, including timers and voice controls from Amazon Alexa or Google Home. It has an “Away Mode” that randomly turns the lights off and on to give the false idea that you are at home when youre not, to prevent potential thieves. All in all, its an affordable and reliable option youll lo
6、ve.Philips Hue Smart Dinner(调光器) SwitchThe Hue allows you dim your bulbs, set schedules, and control the lights with your voice. Best of all, it offers incredibly easy installationwith no wiring necessary.1. Compared with its competitors, the Lutron Caseta _.A. can apply to many kinds of devicesB. c
7、an just be used to control lightsC. has a price advantageD. is easy to install2. The “Away Mode” of the TPLINK Kasa is intended to _.A. be equipped with more practical featuresB. guard the house against possible burglarC. turn the lights off and on when you are awayD. control an app remotely3. Whats
8、 the writing purpose of the text?A. To ask people to catch up with times.B. To advise some smart light switches.C. To introduce a new lifestyle.D. To compare some smart light switches.【答案】1. A 2. B 3. B【解析】本文是一篇广告。文章介绍了几种智能的灯光控制开关：Lutron Caseta，WeMo Smart Switch，TPLINK Kasa，Philips Hue Smart Dinner(
9、调光器) Switch。【1题详解】细节理解题。根据combines perfectly with most major smart home services. 可知这种开关完美地与大部分主要的智能家庭设施结合在一起。再根据Whether your device is Apple HomeKit, Amazon Echo, Google Home, Nest, or IFTTT, you can use the Lutron Caseta fluently,可知很多设备可以控制这种开关，故选A。【2题详解】细节理解题。根据to give the false idea that you are
10、 at home when youre not, to prevent potential thieves.可知TPLINK Kasa可以随意开关灯给出一个你在家的假象，以便于阻止潜在的小偷。故选B。【3题详解】细节理解题。通览全文可知本文是一篇广告，文章介绍了几种智能的灯光控制开关。它们分别是：Lutron Caseta，WeMo Smart Switch，TPLINK Kasa，Philips Hue Smart Dinner(调光器) Switch。故选B。BScientists in Mexico say they may have found a way to cut the pro
11、duction of methane, a gas linked to rising temperatures on the Earths surface. The scientists say their method may help reduce the methane released by cows, one of the main producers of the gas.When talking about global warming, many people think of carbon dioxide, another heat-trapping gas. Methane
12、 is an even more powerful heat-trapping gas. Cows are known to produce high levels of methane when they eat and process food.Researchers at the Autonomous University of the State of Mexico are studying how a cows diet affects the production of methane. The researchers are using a specially designed
13、machine to measure the effect. The scientists use the machine to try to capture the animals breathing to examine the methane released.Most of the gas is released when cows belch. The digestive bacteria in a cows stomach causes the animal to send out the gas through its mouth. There are an estimated
14、1.3 to 1.5 billion cows in the world. Each animal releases as much as 120 kilograms of methane per year. The U.S. Environmental Protection Agency reports that, whenever measured in pounds, the effect of methane on climate change is more than 25 times greater than carbon dioxide over a 100-year perio
15、d.As it is difficult to capture the gas released by cows for use as energy, one way to lessen its release is to change their diet. Scientists in some countries are looking for ways to decrease cow methane. But while they are trying different plants and chemical compounds, those products would be too
16、 costly and difficult to bring to Mexico.4. How harmful is the gas sent off by cows?A. It is more difficult to control its amount.B. It takes up most of human-caused methane.C. It is the key factor to prevent globe warming.D. It is more harmful than carbon dioxide.5. How is the harmful gas produced by cows?A. When they digest food in the
