2021届中山市东凤镇穗成新徽学校高三英语下学期期末考试试题及答案解析.pdf
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1、2021 届中山市东凤镇穗成新徽学校高三英语下学期期末考试试题及答案解析 第一部分 阅读(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 A、B、C、D 四个选项中选出最佳选项 A The Internet has revolutionized our lives to such an extent(程度)that for most people,the global network has become more than just a tool but rather an important aid in everyday lif
2、e.More and more people go online as wireless networks have brought the Internet closer and closer:its on our mobile phones,in our cars and TV sets,in hospital surgery rooms and in fishing boats that battle the waves of the Atlantic.And this revolution has brought along with it a new way of shopping.
3、Both big and small,e-business websites have flooded the Internet by the hundreds of thousands.Anything you can buy from a brick and mortar store(实体店)you can also buy online:from food and clothes to toys,no matter what youre looking for,youre bound to find the right online store with just a few click
4、s of the mouse.You can use the Internet to find new suppliers,post buying requests or search for products and services.This revolution has affected brick and mortar business owners greatly.And what was their reaction?Theyve opened online stores to go hand in hand with their conventional business.But
5、 do the big players have reasons to be afraid?Are we going to start seeing ghostly,deserted Walmarts(沃尔玛)across the country?Probably not in the near future but the day will come when most people will just stop shopping offline anymore.A trip to Walmart wastes time,burns gas.The recent advancements i
6、n mobile technology and the introduction of mobile phones with enhanced(提高的)web capabilities have even made some people order their groceries when they get out from work and have them delivered at their doorstep by the time they get home.And as“Time is money”,this practice is lifesaving for people w
7、howork two jobs.Technology will continue to advance and e-business will follow closely in its footsteps.Everything will become easier and less time consuming,leaving us more time to enjoy the things that really matter in life:the ones we love,our friends and hobbies.1.What is Paragraph 1 mainly abou
8、t?A.The popularity of mobile phones.B.The great influence of the Internet.C.The importance of the Internet.D.The function of the global network.2.In response to the threat of online business,the brick-and-mortar store owners_.A.have stopped their traditional business B.have started their dislike of
9、the Internet C.have established their own website D.have opened their online stores 3.What would be the best title for the passage?A.A New Way of Shopping.B.The Internet Revolution.C.What is the Reaction to Online Shopping?D.Is Online Shopping the Future of E-business?B Scientists often compare cora
10、l reefs(珊瑚礁)to underwater rainforests,yet unlike the leafy plant base of a forest,corals are animals.The soft creatures are naturally half-transparent and get their brilliant color1 from algae(藻类)living inside them.When corals experience stress from hot temperatures or pollution,theyhaltthe interdep
11、endent relationship with algae,typically pushing them out and turning white.Corals are still alive when they are white,but theyre at risk and many eventually die,turning dark brown.Scientists around the world are looking for means to protect and maybe increase corals.One common option is to create m
12、ore protected areas essentially national parks in the ocean.Beyond nature preserves,some conservationists are looking to more hands-on methods.One research center in the Florida Keys is exploring a form of natural selection to keep corals remaining.The reef system in the Keys has been hit hard by cl
13、imate change and pollution,which is especially tough,because corals there help support fisheries worth$100 million every year.To keep the wild ecosystem alive,Erinn Muller,the centers director,and her team are harvesting samples of the corals that survived the environmental stress naturally,keeping
14、them to make them reproduce,and then reattaching them to the reef.They have 46,000 corals on plastic frames under the sea.So far,the center has regrown over 70,000 corals from five different species on damaged reefs.In The Bahamas,Ross Cunning,a research biologist at Chicagos Shedd Aquarium,focuses
15、on corals with genes that could make them natural candidates for restoration projects.He published a study of two Bahamian reefs,one that survived an extreme 2015 heat wave,and one that didnt.We think their ability to deal with these higher temperatures is built into their genes,says Cunning.Theres
16、evidence of corals evolving more quickly to resist rapidly warming climate.The big question scientists need investigate,adds Gunning,is how much more heat corals can adapt to.4.What does the underlined word halt in the first paragraph mean?A.End.B.Develop.C.Strengthen.D.Weaken.5.What do Muller and h
17、er team do to save corals?A.Restore the damaged reefs.B.Grow corals by hand underwater.C.Create more protected areas.D.Move corals to unpolluted areas.6.What do Gunnings words suggest?A.Many corals have been genetically improved.B.Cooling down the waters is key to rescuing corals.C.Reasons for coral
18、s surviving heat waves are shocking.D.The highest temperature corals can survive is unclear.7.Which can be a suitable title for the text?A.Relationship between corals and algae B.Efforts made to save corals C.Impact of climate warming on corals D.Survival crisis faced by coral reefs C Getting drunk
19、on ice cream used to be the stuff of dreams,but thanks to Will Rogers,inventor and owner of WDS Dessert Stations in Hinkley,Illinois,it has become a delicious reality.The Below Zero icecream machine uses a unique technique to freeze alcohol,which allows you to turn beers,cocktails and even spirits(烈
20、酒)into delicious soft serve ice cream.Rogers was trying to create a highly caffeinated espresso ice cream flavor when he realized hecould use the same technique with alcoholic beverages.He started experimenting with various gums and stabilizers commonly used in the ice cream industry and eventually
21、patented something called the NEA gel.Its this magical concoction(调制品)that allows the alcohol to freeze to a near solid inside the Below Zero ice cream machine.Even though Below Zero changes the texture(质地)of beer,cocktails and even spirits,essentially turning them into soft serve ice cream,it does
22、not affect the alcohol contentat all.The ABV(酒精度)remains exactly the same,which means you can get drunk on ice cream just as you would on the same concoctions in liquid form.Will Rogers claims that it takes around 30 minutes for beer to go from liquid to ice cream form,but higher alcohol content dri
23、nks take longer.Essentially,the higher the alcohol level,the longer the wait.The American inventor plans to sell Below Zero ice cream machines to bars and breweries wanting to surprise their patrons.Metro reports that machines will sell for about 6,000.8.Whats the name of the machine which can chang
24、e beer and spirits into ice cream?A.Will Rogers B.WDS Dessert Stations C.Hinkley D.Below Zero 9.What makes alcohol to freeze to a near solid inside the machine?A.gums.B.stabilizers.C.NEA gel.D.ABV.10.What can we know from the passage?A.The machine can change all liquids into ice cream.B.It takes 20
25、minutes for beer to change into ice cream.C.The higher the alcohol level,the shorter the wait will be.D.The machine changes the texture of beer,cocktails and even spirits.11.What can we infer from the passage?A.The machine affects the alcohol content.B.You can get drunk if you have icecreams made fr
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