2021届云南大学附属中学高三英语上学期期末考试试卷及答案.pdf
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1、2021 届云南大学附属中学高三英语上学期期末考试试卷及答案 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 Best Places to Visit in July Norways Fjords Most travelers prefer to visit Norways famous fjords(峡湾)in July because Norway has about 23 hours of daylight,giving travelers lots of time t
2、o take in the spectacular views of blue water,glaciers and mountains.July is also whenNorways weather is at its warmest,about18,so travelers might include a light sweater in their luggage.Bastille Day inParis July 14 is a national day celebrating independence to the French.July 14,1789,is the day th
3、e French stormed the Bastille,aParisprison,and officially began the French Revolution,overthrowing a royal government that often threw people in prison there for no reason at all.While the day is marked all overFrance,the biggest celebration takes place inParis.Masai Mara National Reserve The thrill
4、 of seeing millions of animals wander the plains inKenyais not easily forgotten.One of the most popular months to visit the Masai Mara is in July when the famous wildlife migration reaches the Masai Mara and zebras are at their highest number.The best times to view the animals inKenyas most popular
5、game park are dawn and dusk.Running of the Bulls inPamplona Travelers who pride themselves on being fast runners may want to head toPamplonain July for the San Femin Festival.A key part of this annual festival is the running of the bulls.Six bulls are released onto a narrow street for a half-mile ru
6、n,with hundreds of runners seeing if they can run faster than the animals.1.What can visitors do inNorways in July?A.Enjoy the impressive scenery.B.Swim and fish in the fjords.C.See daylight around the clock.D.Buy heavy sweaters to keep warm.2.Which of the following is of historical significance?A.S
7、an Fermin Festival.B.Bastille Day.C.Masai Mara National Reserve.D.Norways Fjords.3.Where will visitors interested in wild animals go?A.Norway.B.Paris.C.Masai Mara.D.Pamplona.B It is universally acknowledged that renewable energy sources such as solar,wind and hydropower are all much better for the c
8、limate than fossil fuels.It is true for wind and solar.However,the picture for hydropower is more complicated than we think.A new study by the Environmental Defense Fund analyzed the climate impacts of 1,500 hydropower facilities across the globe.That accounts for about half of hydropower generation
9、 worldwide.The researchers looked at whether the facilities behave as a greenhouse gas sink or as a source.To figure this out,they looked into all the different components that help determine a hydropower facilitys greenhouse gasemissions(排放).“There are so many contributors to greenhouse gas emissio
10、ns from hydropower but essentially,the majority of greenhouse gas emissions arise from the reservoir(水库)itself,as vegetation and soils are submerged underwater in the dam thatis used for the hydropower generation.”said lissa Ocko,a senior climate scientist at the Environmental Defense Fund and co-au
11、thor of the study.As the submerged vegetation breaks down,it releases greenhouse gases such as CO2.“The larger the surface area of the reservoir,the more greenhouse gases are going to be given out from that reservoir.Also,the temperature plays a role as well how warm the reservoir is will affect how
12、 much greenhouse gases are produced and given out from the reservoir.”added Ocko.Through their analysis,Ocko and her co-author Steven Hamburg,also with the Environmental Defense Fund,discovered that the climate impacts of hydropower cover a complete range.The good news is that some facilities perfor
13、m just as well as wind and solar.But shockingly,more than 100 facilities are actually worse for the climate than fossil fuels.The study is in the journalEnvironmentalScience and Technology.This finding doesnt mean we should forget about hydropower.“But we just need to be careful to make sure that we
14、 have climate benefits.There are a lot of situations where hydropower can be equal to wind and solar.So it really depends on the specific facility.said Ocko.4.How do scientists prove hydropower facilities effect on the climate?A.By making comparisons.B.By conducting experiments.C.By referring to pre
15、vious studies.D.By analyzing causes and effects.5.What are the main sources of greenhouse gases from hydropower?A.Vegetation and soils.B.Heat and sunlight.C.Pollutants in the reservoir.D.Components of the generators.6.What have Ocko and her co-author Steven Hamburg found?A The surface area of a rese
16、rvoir decides the climate.B.Hydropower often influences the climate in all aspects.C.Some facilities perform much better than wind and solar.D.Fossil fuels are worse for the climate than over 100 facilities.7.What is the text mainly about?A.Scientists urge an end to hydropower.B.Hydropower is not ne
17、cessarily green.C.Hydropower is worse than fossil fuels.D.Renewable energy is a complicated issue.C When Jennifer Doudna was in sixth grade,she came home one day to find that her dad had lefta book titled The Double Helix on her bed.She put it aside,thinking it was one of those detective tales she l
18、oved.On a rainy Saturday,she picked up the book.As she sped through the pages,she became fascinated by the drama,which encouraged her to explore natures wonders.Even though her high school teacher told her that girls didnt become scientists,she decided she would.She worked with a biologist,Charpenti
19、er,to turn a curiosity of nature into an inventionan easy-to-use tool that can edit DNA.Known as Crispr,the tool will transform the human race.James Watson,the author of The Double Helix,later told her it was the most important biological advance:since he and Francis Crick discovered the structure o
20、f DNA.For this achievement,Doudna and Charpentier were awarded the Nobel Prize in Chemistry in 2020.Until now,only five women,beginning with Marie Curie in 1911,had won or shared the Nobel for Chemistry out of 184 award winners.When this years prize was announced,Dr.Charpentier said it would provide
21、 a message specifically to young girls who would like to follow the path of science and to show them that women can also be awarded prizes.A few decades from now,if it becomes possible and sate to edit DNA,should we allow parents to improve the IQ and physical strength of their kids?Should we let th
22、em decide eye color1?Skin color1?Height?After helping to discover Crispr,Dr.Doudna has become a leader in considering these moral issues.Thats the main message we should take from this Nobel:New technologies can be a huge benefit to the human race,but in order to make sure they are used wisely,its i
23、mportant for people to understand them.8.Jennifer Doudna decided to become a scientist because,_ A.her father pushed her B.a book inspired her C.her teacher encouraged her D.James Watson motivated her 9.Dr.Doudna was awarded the Nobel Prize because,_.A.she wrote the book“The Double Helix B.she disco
24、vered the structure of DNA C.she is a hardworking woman scientist D.she helped invent a tool for editing DNA 10.According to passage,which of the following is NOT true?A.The two womens success will inspire more girls to be devoted to science.B.Since 1911,there have been 184 people who won the Nobel
25、for chemistry.C.If girls follow the path of science,they will surely achieve their goals.D.Crispr will make a big difference to the human race.11.Which words can best describe Jennifer Doudna?A.Determined and responsible.B.Ambitious and humorous.C.Cruel and indifferent.D.Fearless and stubborn.D Many
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