《【優(yōu)化方案】（陜西專用）2020高考英語總復習 課時作業(yè)二十一 Unit1 Great scientists 新人教版必修5》由會員分享，可在線閱讀，更多相關《【優(yōu)化方案】（陜西專用）2020高考英語總復習 課時作業(yè)二十一 Unit1 Great scientists 新人教版必修5（9頁珍藏版）》請在裝配圖網上搜索。
1、Unit 1Great scientists.語音知識1furnishedAdecidedBworkedCattracted Dcleaned2characterAchart BchocolateCchurch Dstomach3breakAmeal BgreatCdead Dreality4clothAminority BspokenCopinion Dwonder5invitationAguide BwriterCslide Dthrill.單項填空1AIDS control and prevention is a_to China as well as the whole world.A
2、surpriseBchallengeCreaction Dthreat2It is reported that the police will soon_the case of the two missing children.Alook upon Blook afterClook into Dlook out3As nobody here knows what is wrong with the machine，we must send for an engineer to_the problem.Ahandle BraiseCface Dpresent4It doesnt make any
3、_for such a little child to read so difficult a book.Aspace BuseCsense Derror5During the coming international meeting，the Minister will_her countrys main demands in the economic and commercial fields.Aput up Bput offCput forward Dput down6_food and tents，we Chinese also sent rescue workers to the ea
4、rthquakestricken areas in Japan.AApart from BRather thanCIn addition DIn spite of7According to the investigation，the driver of the car was_for the terrible accident.Ablamed Bto blameCto be blaming Dto be blamed8Children_to difficult situations are better at handling those_tasks.Aexposing；challenging
5、 Bexposed；challengedCexposed；challenging Dexposing；challenged9Every year，many leaders in different fields_the meeting held in Boao，Hainan for the development of Asia.Aattend BjoinCjoin in Dattend to10Li Wei failed the job interview because of his broken English.Only then_how important it was to lear
6、n English well.Ahad he realized Bhe realizedChe had realized Ddid he realize11According to_news report，British scientists have found out_cure for this disease.Athe；the Ba；aC/；a Dthe；/12I suggested to my father that we_to Dalian for a holiday this summer，but the expression on his face suggested that
7、he_to it.Ago；shouldn t agreeBwould go；shouldnt agreeCgo；didnt agreeDwould go；didnt agree13Could you please help me with this problem?Certainly.First of all，lets_the problem and see what went wrong.Aanalyse BexamineCinspect Dsurvey14(2020泰安模擬)Everyone is encouraged to_something to those who suffered
8、a great deal in the earthquake.Aconstruct BconnectCcontribute Dcollect15We were all very much attracted by the beautiful scenery_we set foot in the village.Aquickly BsuddenlyCfinally Dimmediately.閱讀理解(2020河南省洛陽市檢測)Picture our solar system.In the center，theres our star，the sun.Orbiting the sun are ei
9、ght planets，including Earth.But what about planets outside our solar system?About 15 years ago，scientists developed the tools to detect these “exoplanets”Since then，theyve spotted about 450.Most of the findings include one，two or three enormous gasfilled planets orbiting a star.But on August 24,2020
10、，a group of European scientists announced an unusual discovery.They say theyve identified a solar system thats similar to ours.It consists of as many as seven planets orbiting a sunlike star.The star is over 100 light years away from us.The five planets that the scientists are most certain about are
11、 largeup to 25 times the size of Earth.According to Christophe Lovis，one of the scientists behind the finding，these five planets are similar to Neptune (海王星)“Theyre made mainly of rocks and ice，” he said.“Theyre probably not suitable for people to live in.”There are also signs of two more planets.On
12、e is thought to be similar to Saturn (土星)The other may be the smallest exoplanet ever spotted.Its only slightly larger than Earth.Because its so close to its star，the small planet takes just over a day to orbit it.Spotting faraway planets is challenging.The blazing light given off by the star they o
13、rbit makes the planets hard to see.That is why we cannot yet be 100% sure about these seven planets.The scientists havent actually seen them.Instead，they used a powerful telescope to study the star for six years.The star gave the scientists clues about the planets that orbit it.According to Alan Bos
14、s，a scientist who wasnt involved with the study，“this method is best for finding the big guys.” But，he said，the discovery shows spotting smaller planets is also possible.“The really nice thing about finding systems like this is that it shows therere many more out there，” says Boss.“Mother Nature rea
15、lly had fun making planets.”1In another solar system discovered by the European scientists，_.Athe star orbited by seven planets is over 100 light years away from the sunBall the seven planets are much larger than our earthCnone of the seven planets is suitable for people to live inDfive planets are
16、made mainly of rocks and ice2According to the passage，what makes it difficult to find those exoplanets?AThe tools which are used to detect them.BThe long distance between them and our earth.CThe light given off by the star they orbit.DThe too long time needed to detect them.3It is inferred from the
17、passage that Alan Boss_.Ahas always been supporting the European scientistsBbelieves using a telescope to study small stars is also possibleCthinks the European scientistsdiscovery is a little unbelievableDbelieves there must be another planet with humans living in it4The best title for the passage
18、should be_.AResearch on the Solar SystemBDifficulty in Studying Mother NatureCScientists Contributions to the UniverseDA Lot like Our Solar System.信息匹配1.Americans are far more knowledgeable about drinks than they were 20 years ago.Witness the Starbucks revolution and youll know where the trend goes.
19、Now，encouraged by recent studies suggesting that it can cut the risk of cancer and heart disease and slow the aging process，tea is enjoying a similar change.Enough fashionable tea houses are springing up to make even longtime coffee drinkers consider switching drinks.2.Tea is available in more place
20、s than ever.The Tea Association of the United States reports that from 1990 to 1999，annual sales of the drink grew to $4.6 billion from $1.8 billion.“Green tea is seen by consumers as a functional food” delivering health benefits beyond food itself，says Vierhile.3.Recently published studies point ou
21、t that only teas that come from the leaves of the plant Camellia sinensis have been shown to contain health benefits.Other herbal teas may taste good，yet they do little more than warm up the drinker.But for Camellia sinensis，the evidence is powerful.In a 1998 study，Harvard University researchers fou
22、nd that drinking one cup of black tea a day lowered the risk of heart attack by as much as 44 percent compared with nontea drinkers，and other studies have suggested that the antioxidants(抗氧化劑) in these socalled real teas can also prevent cancer.4.One such antioxidant in green tea is ECGC，a compound
23、20 times as powerful as vitamin E and 200 times as powerful as vitamin C“When people ask me for something good and cheap they can do to reduce their cancer risk，I tell them to drink real tea，” says Mitchell Gaynor，director of medical oncology at New York Citys StrangCornell Cancer Prevention Center.
24、5.Among those inspired to become a greentea drinker is Tess Ghilaga，a New York writer who took it up after seeking advice from a nutritionist six years ago.“Ive never been a coffee drinker，” says Ghilaga,33.“She told me to start drinking green tea for the antioxidant qualities.” Now Ghilaga and her
25、husband habitually make tea they order theirs from In Pursuitof T，an Internet tea company.And although tea contains about half the amount of caffeine in a cup of coffee，“you still get such a kick from it，” says Ghilaga.必修五Unit 1Great scientists.語音知識15.BDBAD.單項填空1【解析】選B。句意為：控制和預防艾滋病對中國乃至全世界都是個挑戰(zhàn)。2【解析
26、】選C。句意為：據(jù)報道，警方很快將調查兩名失蹤小孩的案件。look upon看作，看待；look after照顧；look out警惕，小心。3【解析】選A。句意為：由于這里沒有人知道機器出了什么毛病，我們必須找位工程師來處理此問題。4【解析】選C?？疾楣潭ň涫健t makes sense for sb.to do sth.對某人來說做某事是明智的。句意為：對這樣小的孩子來說閱讀這么難的書沒有什么意義。5【解析】選C。本題考查動詞短語辨析。put up舉起，張貼；put off推遲；put forward提出；put down記下。句意為：在即將到來的國際會議上，這個部長將提出她的國家在經濟
27、和商業(yè)領域方面的主要要求。根據(jù)句意選C。6【解析】選A?？疾榻樵~短語。句意為：除了食物和帳篷，中國還派出救援隊到日本地震受災區(qū)。apart from“除了”，符合句意。7【解析】選B。be to blame for.對負有責任，主動形式表被動的意義。8【解析】選C。句意為：接觸不同困難處境的孩子更善于處理具有挑戰(zhàn)性的任務。exposed to.為過去分詞作定語；challenging“具有挑戰(zhàn)性的”。9【解析】選A?？疾閯釉~辨析。根據(jù)句意可知，此處表示“參加會議”的意思，故選A項。attend常用來指“上課(學)，出席會議，參加婚禮、葬禮等儀式”。join指“加入某個組織成為其中的一員”；jo
28、in in參加比賽活動；attend to.專心于，照顧。10【解析】選D。考查倒裝句。only狀語放在句首時，句子應用部分倒裝的形式。根據(jù)then可知時態(tài)應用一般過去時。故選D項。11【解析】選B?？疾楣谠~，第一個空是泛指“一個新聞報道”；第二個空表示“對這種疾病的治療方法”，也是泛指。12【解析】選C。考查suggest的用法。由句意可知，第一個suggest表示“建議，提議”，此時that從句的謂語為“should動詞原形”，should可以省略；第二個suggest為“暗示，間接表明”之意，此時that從句要用陳述語氣。13【解析】選A。analyse分析；examine檢查；insp
29、ect檢查；survey調查。根據(jù)題意應選A。14【解析】選C。句意為：每個人都被鼓勵為遭遇地震災難的那些人捐獻點什么。contribute“捐獻，捐贈”，符合題意。15【解析】選D?？疾閕mmediately的用法。immediately除作副詞“馬上，立即”講外，還可作連詞，意為“一就”，相當于as soon as，引導時間狀語從句。句意為：我們一踏進這個村莊，就都被它美麗的景色所吸引了。.閱讀理解【解題導語】歐洲科學家利用望遠鏡進行探測、觀察，發(fā)現(xiàn)了一個與太陽系相似的星系。1【解析】選D。細節(jié)理解題。第四段介紹了科學家們比較確定的五顆行星的情況，根據(jù)該段的“Theyre made mai
30、nly of rocks and ice”可以判斷選D。2【解析】選C。細節(jié)理解題。根據(jù)第六段“Spotting faraway planets is challenging.The blazing light given off by the star they orbit makes the planets hard to see.That is why we cannot yet be 100% sure about these seven planets.”可判斷選C。3【解析】選B。推理判斷題。從文中倒數(shù)第三段最后可知，它們所圍繞的行星發(fā)出的光芒使它們難以被看到，而歐洲科學家花費了六年時間，用一種功能強大的望遠鏡觀測這顆被環(huán)繞的行星，進而通過這顆行星得到其他圍繞它的行星的線索，再根據(jù)倒數(shù)第二段Boss的話可知Boss認為這種方法是最好的，同時他認為用望遠鏡觀察小行星也是有可能的，故選B項。4【解析】選D。主旨大意題。文章首先介紹歐洲科學家的發(fā)現(xiàn)一個與太陽系相似的星系，結尾借Alan Boss之口道出了“像這樣的太陽系之外的類似星系還有很多”，由此判斷選D。.信息匹配15.CAEDF
【優(yōu)化方案】（陜西專用）2020高考英語總復習 課時作業(yè)二十一 Unit1 Great scientists 新人教版必修5
