河北省安平县安平中学高一英语寒假作业3(实验班).doc
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1、1河北安平中学实验部高一年级英语学科寒假作业2019 年 2 月 2 日 第一部分 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。AWith smartphones rapidly becoming the most common mobile device (设备) throughout countries, an increasing number of teenagers have access to the Internet using their phones. A
2、nd if they have access to the Internet they have access to Apps (an App is a small program designed to run on mobile devices). Most Apps popular with teenagers are either for play, connecting with friends, or both at the same time. Here are some of the most popular Apps teens are downloading at the
3、moment.Draw SomethingIts a very popular App at the moment. Its an online version (版本) of Pictionary, where you invite friends on Facebook to compete. Each round you are given 3 words to choose from of which you must draw. Your competitor must guess correctly so that both of you can receive coins to
4、buy additional colour tools. Fun for any age.InstagramThis App is about sharing photos. Similar to Twitter, you follow people and they follow you. New photos show up in a “news feed” where you can comment on photos. You can also view popular photos and have the choice of making your photos public (e
5、veryone can see them) and anyone can “follow” you. Its a good idea to consider privacy settings as once photos are uploaded (上传) anyone can have access to them.ViddySimilar to Instagram, except its all about videos. Film a video and immediately upload it. Again people can follow you and you can foll
6、ow people. You can see “whats hot” the most popular and newest videos. In addition you can share videos you have.OldifyThis is fun and easy to use. Upload a photo of yourself or a friend by 2either taking a photo or using one from your photo library, line up the eyes and lips, press a button and the
7、 photo of you or the person you uploaded will appear as a person 50 years older! By touching the screen the face will react.21Draw Something is an App that _.Achildren like most Bis for users of any ageCusers can use to share pictures Dis used to buy paintings online22When using Instagram, users sho
8、uld _.Amake their photos public Bcomment on their friends photosCpay special attention to their privacy D follow people to view popular photos23What do we know about Oldify?AIt helps users to beautify their photos. BIt allows users to share their opinions.CIt is a frightening but fun online game. DI
9、t enables users to see their aged appearances.BYou can be proud of yourselves, even if you can only make one or two of these green changes. The goal here is to limit carbon dioxide and other greenhouse gases, which are closely associated to the big problem of global-warming.Strategy 1: Bring your ow
10、n cup to StarbucksYoull get a 10-cent discount, and its one less paper cup to end up in a dustbin.The store wont create more waste when they throw away a cup.Strategy 2: Turn off your computerWhen in standby mode, your PC is still using energy.Turning off a monitor for 40 hours a week may only save
11、$ 5 a month, but it reduces CO2 by 750 pounds.3Strategy 3: Reuse plastic bagsInstead of throwing away 100 billion plastic bags a year, try and get a second, third, or tenth use out of them. Better yet, next time you shop, try a reusable bag.Youre reducing pollution. The amount of oil it would take t
12、o make just 14 plastic bags would run your car for one mile.Strategy 4: Use recycled paper in the bathroomMost of the toilet paper we use is made from trees found in forests previously untouched by humans.If every household replaced one roll of toilet paper with a recycled one,424,000trees would sti
13、ll be standing. Look for eco paper towels too.Strategy 5: Buy energy-efficient appliances(电器)Replace the old fridge with an Energy Star appliance and youll use 15 percent less energy. It might be a little expensive to buy, but youll save money on your electricity bills and help the environment.If we
14、 all used one Energy Star appliance at home, it would be like planting 1.7 million acres of new trees.Strategy 6: Plant a treeAdding green to your garden is beautiful and earth-pleasing.Just one tree will help make cleaner air and save the environment from 5, 000 pounds of hot carbon dioxide each ye
15、ar.24What is the best title for the passage?A. Strategies to Save Money B. Ways to be Earth-FriendlyC. Strategies to End Global-Warming D. Ways to Limit Carbon Dioxide425According to the writer, what will happen if our PC is switched off when not in use?A. It will help to save a large amount of mone
16、y.B. It will help to reduce a great deal of CO2.C. It will save the amount of oil that runs your car for a mile.D. It will be like planting 1.7 million acres of new trees.26Which strategies suggest recycling or reuse of things?A. Strategies 1 & 3. B. Strategies 2 & 5.C. Strategies 3 & 6. D. Strategi
17、es 4 & 5.27What benefits do these strategies have in common?A. They all help reduce the use of energy like electricity.B. They all cut down the amount of the use of paper.C. They all result in producing less greenhouse gases.D. They all aid to preserve our trees and forest.CInsects trapped in fossil
18、ized amber (琥珀) for tens of millions of years have provided the key to creating a new generation of antibiotic drugs that could start a war against modern diseases. Scientists have isolated the antibiotics from microbes(微生物) found either from these insects or in soil particles trapped with them when
19、 they were caught by sticky tree risen up to 130 million years ago.Presentday antibiotics have nearly all been isolated from microbes that use them as a form of defense against their enemies and competitors. But since the introduction of antibiotics into medicine 50 years ago, an alarming number hav
20、e become ineffective because many bacteria have developed resistance to the drugs. Research over the past two years has uncovered at least four antibiotics from the microbes and one has been able to kill modern drugresistant bacteria that can cause potentially deadly diseases in humans.Raul Cano, wh
21、o has pioneered the research at the California Polytechnic State University, said the ancient antibiotics had been successful in fighting drugresistant strains of staphylococcus (葡萄球菌 ),a “superbug” that had threatened the health of patients in hospitals across the globe. He now intends 5to establis
22、h whether the antibiotics might have side effects. “The problem is how toxic they are to other cells and how easy they are to purify”, said Cano.Canos findings have been acknowledged as a breakthrough. A biotechnology company, Ambergene, has been set up to develop the antibiotics into drugs. If any
23、ancient microbes are revived (复活) that resemble presentday disease, they will be destroyed in case they escape and cause new epidemics. Drug companies will be anxious to study the chemical structures of the prehistoric antibiotics to see how they differ from modern drugs. They hope that one ancient
24、molecule could be used as a basis to produce a range of drugs.However, even the use of ancient antibiotics may not stop the rise of drugresistant bacteria. Stuart Levy warned that the bacteria would eventually evolve to fight back against the new drugs. “There might also be an enzyme already out the
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