2021高考英语人教版一轮复习题组训练:必修3 UNIT 4 ASTRONOMY THE SCIENCE OF THE STARS WORD版含解析.doc
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1、高考资源网() 您身边的高考专家Unit 4Astronomy:the science of the stars.阅读AScientists announced on Thursday,February 11,2016,at a press conference in Washington,D.C.that the more than half-century search for gravitational waves finally succeeded.They confirmed that they had detected gravitational waves caused by t
2、wo black holes mixing together about 1.3 billion years ago.It had been the first time the phenomenon was directly detected since it was predicted by Albert Einstein 100 years ago.A China-led space gravitational wave detection project is recruiting(招募) researchers from around the world, reported.The
3、Tianqin project was started by Sun Yat-sen University in Zhuhai.It centers on research of key technologies in space gravitational wave detection.To make the project more competitive,global talents in areas such as gravity theory,space gravity experiments and precision measurement are sought with an
4、annual salary of up to 1 million yuan( $153,000),according to the report.Gravitational waves are not easily detectable.When they reach the earth,an extremely sensitive detector is needed,as other sources of noise can overwhelm the signal.Luo Jun,president of Sun Yat-sen University said the detection
5、 of gravitational waves is a huge challenge and the project reflects the research competence of China.The 15-billion-yuan project aims to send wave-detection satellites into space in 15 to 20 years with construction of a research center and observatory to be started soon.Researchers will likely coop
6、erate with other scientists from the European Space Agencys LISA Project.Gravitational waves are ripples (涟漪) in space time generated during the earliest moment of the universe,when the universe experienced a brief but disordered period of expansion.The detection of gravitational waves is believed t
7、o help scientists understand more mysteries of the universe.1.What can we learn about gravitational waves?A.They caused black holes to mix together.B.They came out about half a century ago.C.They were proved true by Albert Einstein.D.They have been discovered recently.2.According to the passage,the
8、Tianqin project is intended to .A.develop technologies to detect space gravitational wavesB.attract talented researchers from across the globeC.conduct various space gravity experimentsD.seek precision measurement in space3.The underlined word “overwhelm” in the third paragraph probably means “”.A.a
9、bsorbB.replaceC.removeD.cover4.The main purpose of the passage is to .A.explain the importance of the gravitational wave detectionB.present some new findings in space explorationC.introduce a gravitational wave research projectD.encourage international cooperation in scientific research语篇解读:本文是一篇科普说
10、明文,介绍了引力波以及中国启动的引力波研究项目。答案及剖析:1.D细节理解题。根据第一段第一句可知,引力波最近被成功发现。2.A细节理解题。根据第二段第三句“It centers on research of key technologies in space gravitational wave detection.”可知选A项。3.D词义猜测题。根据第三段第一、二句“Gravitational waves are not easily detectable.When they reach the earth,an extremely sensitive detector is needed
11、.”可知,引力波不容易被检测,当引力波到达地球时,需要一个非常敏感的探测器,因为其他噪音源可能会覆盖引力波信号。由此可推测overwhelm意为“覆盖”。4.C写作目的题。通读全文,特别是根据第四段第一句可知,本文主要向人们介绍了一个有关引力波的研究项目。BAn ambitious project to establish a human colony on Mars has attracted applications from tens of thousands of would-be astronauts,just two weeks after applications opened.
12、The mission,a private venture by the Dutch non-profit organization,Mars One,aims to send a crew to the Red Planet in 2022and,due to the physiological change in the human body after a stay on Mars,thered be no coming back.That hasnt deterred people,though,so far,over 200,000 people have applied to be
13、come one of Mars first immigrants.“This is turning out to be the most desired job in history,” says Bas Lansdorp,co-founder of Mars One.Day-to-day life on Mars will be no picnic.The organization says that the daily routine on the planet would involve construction work on the colony (installing green
14、houses,for example),maintenance of the settlements systems and research into Mars climate and geological historyall in an inhospitable environment with unbreathable air and an average temperature in the planets mid-latitudes of around -58 .But Mars One says it is not looking for applicants with spec
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