山东省济南市2020届高三下学期4月模拟考试英语试题 WORD版含答案.doc
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1、保密启用前2020年高三模拟考试英语试题注意事项:1.答题前,考生务必将自己的姓名、座号、考号填写在答题卡和试卷指定位置上。2.回答选择题时,选出每小题答案后,用铅笔把答题卡上对应题目的答案标号涂黑。如需改 动,用橡皮擦干净后,再选涂其他答案标号。回答非选择题时,将答案写在答题卡上。写 在本试卷上无效。3.考试结束后,将本试卷和答题卡一并交回。第一部分 阅读(共两节,满分50分)第一节(共15小题;每小题2. 5分,满分37. 5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。AIf you want to learn why everything is usually c
2、heaper, and what items are the best deals at your local or chain dollar or discount store, store employees have a lot of useful information. They tend to know what shoppers wanteven before shoppers know themselves.Everyone buys unnecessary thingsWhether you shop at a chain dollar store such as Dolla
3、r Tree, Family Dollar or your local 99 cents store, not everything thats on sale is necessarily worth purchasing. Bryan Waring, a former Dollar Tree employee, says that youre not alone in buying more than necessary from these stores. It seems basic, but everyone falls for this trap, he says. You go
4、into a store where everything is cheap, and you walk out with things you dont need.” He suggests going into a storeyes, even the dollar storewith a checklist of things you truly need.Everything is cheaper after the holiday seasonPatricia, a seasonal worker at a Dollar Tree, says that the post-Christ
5、mas season means even more deals on everything from decorations to sweets. After Christmas, all the gift wrap paper went to 50 cents, and all Christmas items were half price,” she says. Even candy bars are 89 cents versus $ 1.Products are less expensive because of their sizeIn order for dollar store
6、s to keep their prices low, product sizes are usually smaller than normal, according to Cheapism. Dollar stores area t the only ones guilty of this trick. Cheapism also reports Walmart is guilty of doing the same thing to attract customers. 1. What is Bryans advice against buying unnecessary things?
7、A. Making a purchase alone.B .Writing a to-buy list ahead.C. Shopping at your local store.D. Buying basic things separately.2. Which of the following is a better time for shopping according to Patricia?A.In the Christmas sales.B. At a particular discount.C.After the Christmas season.D.During some ho
8、liday seasons.3. How do stores make their products cheaper?A.By reducing product sizes.B. By lowering product costs.C. By adopting discount strategies.D. By attracting more customers.BIt was just a normal day for Ruth Miller, a 63-year-old woman until everything went horribly wrong. She was walking
9、to her car after shopping when the unthinkable happened.Right as she was unlocking her car, a man quickly came up behind her and tried to wrestle her purse away. She was in shock. Luckily she remembered she had her Safe Personal Alarm (SPA) on her purse, and since she was too scared to scream for he
10、lp, she quickly reached for the alarm and pulled the pin(保险栓).Immediately her SPA started just screaming. The man didnt know what to do! He froze for a second, and then ran away like a bat out of hell!SPA is a safety device capable of creating a 125db sound that attracts attention and scares away po
11、tential attackers. To compare, its the same volume as a military jet during takeoff.Paul Davidson, the inventor of SPA, knows all too well the type of situation that Ruth found herself in. But thats not the only type of situation that SPA helps protect against. Parents can give it to their kids as a
12、n extra means of protection. Teenagers can use it so they can feel safe walking home Women can know its there when they have to use the parking lot at night. “My mother, who is 76 years old, carries it around in case she falls and needs to ask people for help.1 only wish Id have thought of it earlie
13、r, said Paul. The police have been recommending SPA since it first hit the market. In fact, since its launch, SPA has been in a state, shifting between in stock to sold out nearly every other week, and its also got tons of loyal followers worldwide.4.What does the underlined part “the unthinkable in
14、 Paraph 1 refer to?A. An attempted robbery. B. A wrestling match.C. An angry argument. D. A car accident.5.How did Ruth react to the unexpected situation?A.She fought violently.B.She froze in great fear.C.She cried desperately for help.D.She sounded her safety device.6.Why does Paul mention his moth
15、er?A.To imply the elderly need more care.B.To suggest he cares about his mother.C.To show SPA can be widely used.D.To make an advertisement for SPA.7.What can be learned from the text?A.SPA is well received in the market.B.People hesitate to pay for security.C.SPA was sold out in the first two weeks
16、.CLike clockwork, nearly every fourth February includes one extra day. February 29th, otherwise known as Leap Day, isnt exactly a holiday. Instead, its there to keep your calendar consistent with the earths rotation(旋转)around the sun.According to History, com, Roman emperor Julius Caesar is the “fat
17、her” of Leap Year. Until he came along, people used a 355-day calendar, which was 10. 25 days shorter than the solar year. Roman officials were supposed add an extra month every now and then to keep the seasons exactly where they should be. But that didnt work out all that well. When special occasio
18、ns started shifting into different seasons around 45 BCE, Caesar consulted with astronomers and decreed(下令) that the empire should use a 12-month, 365- day calendar, which he named after himself, Caesars Julian calendar included a Leap Day every four years.Though Leap Day keeps your calendar in line
19、 with the earths rotation around the sun, it causes a different kind of problem for leapsters. When should these February 29th babies celebrate their birthdays during the other three-quarters of their lives? Some party on February 28th, while others prefer a two-day celebration that spans the last d
20、ay of February and the first day of March.Leap Day can be a nuisance in the legal system. In 2006, a court in Massachusetts was deciding whether criminal John Melo could be released a day early since his 10-year sentence included a Leap Day. In the case, the judge decided that since the man was sent
21、enced to prison for years, not days. Leap Day didnt make a bit of difference.Though a few timekeepers have pushed for calendars that dont include Leap Day, almost all astronomers and societies agree that Leap Day is the best method to keep the calendar on track.8. Why was Leap Day created?A. To cele
22、brate special occasions.B. To honor Emperor Julius Caesar.C. To keep pace with the solar year.D. To keep track of all the seasons.9. What is the problem with the birthday celebration of February 29th babies?A.It is sometimes delayed.B.It lasts at least two days.C.It has to be held every other year.D
23、. It may take place on different dates.10. What does the underlined word “nuisance” in Paragraph 4 mean?A. Joke.B. Topic.C. Trouble.D. Mistake.11. what is the attitude of most astronomers towards Leap Day?A. Critical.B. Supportive.C. Doubtful.D. Cautious.DScientists have developed a new type of smar
24、t bandage(绷带)that can signal the type of bacterial(细菌的infection its protecting, just like a traffic light, as well as release the right type of drugs on demand. The traffic light system works just like this: Green means no bacteria or a low concentration of bacteria, yellow means drug-sensitive (DS)
25、 bacteria responsive to standard antibiotics((抗生素)and causes antibiotic release, and red means drug-resistant (DR) bacteria that need extra help to be wiped out.In testing the bandage on mice, the research team was able to successfully treat both DS and DR infections using the new method. However, t
26、he common methods of sensing resistance are limited by time, the requirement for professional personnel, and expensive instruments. Moreover, the abuse of antibiotics causes the accelerated process of bacterial resistance.Its easy to see how a simple bandage and light could overcome some of these li
27、mitations. Treatment doesnt have to wait for a doctor to make a diagnosis, and the bandage can get the right sort of drugs applied at the earliest opportunity. Whats more, the person wearing the bandage gets real-time feedback on whats happening with the infection, if theres an infection at all. The
28、 researchers say it offers numerous benefits over existing treatments that make use of light, including photodynamic therapy or PDT.Weve been seeing quite a few upgrades to the traditional bandage in recent years, thanks to advances in sciencelike the nanofibre mesh that attracts bacteria and draws
29、some of it out, speeding up the healing process. Then theres the novel bandage for treating burns, which stops bacteria from multiplying and lowers the risk of infection.The more work that a bandage can do while its protecting a wound, the better. Efforts to improve bandages continue and now weve go
30、t a bandage that not only releases antibiotics, but also tells the patient exactly whats going on too.12.What is the smart bandage mainly designed to do?A.Avoid the use of antibiotics.B.Clear out harmful bacteria.C. Detect bacterial infections.D. Increase treatment options.13.What is the advantage o
31、f the smart bandage?A.It saves much time and cost.B.It removes the risk of infection.C.It prevents the bacterial resistance.D.It improves doctor-patient relationship.14.What can be inferred from the last two paragraphs?A.Traditional bandages are out of use now.B.More smart bandages will be developed
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