2019-2020学年人教版高中英语选修6:Unit 5 Section Ⅱ 课时作业(二)含答案
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1、课时作业( 二)基础题 单词拼写1Id love to be introduced to the man wearing a business _ (西装)答案:suit2Social life is the _ (源泉) of wisdom of writers.答案:fountain3We expected 50 people, but the _ (实际的) number was a lot higher.答案:actual 4We should keep in mind that there is no _ (绝对的) freedom in the world.答案:absolute5
2、The _ (问卷) survey is finished, and thank you for your participation!答案:questionaire6(2018北京高考 )But however long it takes, the technology has the p_ to change our transportation systems and our cities, for better or for worse, depending on how the transformation is regulated.答案:potential7The performa
3、nce of each student is e_ by their teachers.答案:evaluated8Violence e_ after police shot a student during the demonstration.答案:erupted9All items of e _ remain the property of the company.答案:equipment10A h_ hit the town, causing great losses to the crops.答案:hurricane 选词填空be appointed as; burn to the gr
4、ound; make ones way; be equipped with; out of the way; be amazed at; protect . from .; be covered with; as well as; compare . with . 1(2018天津高考 )The floors of all campus buildings _ manual (手动的) fire alarm systems which include fire alarm pull stations and pipes.答案:are equipped with2The Red Army _ f
5、rom the south of China to the northwest with great difficulties, which is called the Long March.答案:made their way3To our regret, the whole building _ in the fire.答案:was burnt to the ground4She can speak Japanese _ English.答案:as well as5Youd better often _ your handwriting _ others.答案:compare; with6I
6、 was told that Mr Smith _ the manager of the company.答案:was appointed as7The grass _ frost in the early morning.答案:was covered with8I moved my legs _ so that she could get past.答案:out of the way9I _ her ability to cope with the difficult situation.答案:was amazed at10Wearing dark glasses can _ your ey
7、es _ the sun.答案:protect; from 单句语法填空1After several weeks in the tropical forest we made our way back _ our camp.答案:to2Our milk powder is especially _ (suit) for children under 6, as it helps a lot to build the bodys natural defence.答案:suitable3The labs in our school are _ with a lot of good _, which
8、 is helpful for our study. (equip)答案:equipped; equipment4There _ (be) another chance, he will try his best.答案:being5Imagine _ (live) without electricity, what will it be like?答案:living6I knew that I was in a _ (potential) dangerous situation.答案:potentially7I was about to go to your home to help you
9、with your English _ my uncle came.答案:when8According to the survey, the reason _ people are unhappy is that they do not have enough love.答案:why9If you are invited to dinner, you are supposed to arrive not later than the _ (appoint) time.答案:appointed10All the tasks _ (finish) ahead of time, they decid
10、ed to go on holiday for a week.答案:having been finished 单句写作1_ (被任命为领导) of the group, the man was very excited. 答案:Appointed as the leader2_ (配备有武器), the soldiers determined to fight against the terrorists.答案:Equipped with arms3_ (已经工作了两天), Steve managed to finish his report on schedule.答案:Having wor
11、ked for two days4Tom _ (正要关窗这时) his attention was caught by a bird.答案:was about to close the window when5All night long he lay awake, _ (思索着问题)答案:thinking of the problem能力题阅读理解AScientists found gravitational waves as they watched the effects of two black holes running into each other and forming a m
12、uch bigger one, a century after Albert Einstein predicted that such an event would send ripples (波纹) through spacetime.Scientists “heard” the wave with the help of laser beams (激光束) sent through two pipes which form an angle of 90 between each other and are nearly 2,000 miles apart in the US. That e
13、quipment let them glimpse the nature of black holes. Together they made up the Laser Interferometer GravitationalWave Observatory (LICO)Gravitational waves were first observed in September 2015 and the second detection occurred three months later. The third detection, which the astronomers called GW
14、170104, was made on January 4,2017. The astronomers believed their latest finding “provides clues about the directions in which the black holes are spinning”. “Black holes are beautifully simple. You just need two numbers to describe them completely: mass, how much they bend spacetime, and a spin, h
15、ow much spacetime moves about them, ” said Dr Christopher Berry of the University of Birmingham, one of the researchers in the project. “But it takes lots of hard work to measure these from our data. We now have wonderful mass measurements, and are starting to uncover details about the spins of thes
16、e black holes, which could give evidence for how they formed.” The researchers said their discovery added further evidence to support Einsteins general theory of relativity and confirmed the existence of previously unknown black holes.More than 1,000 scientists from the LIGO Scientific Collaboration
17、 were involved in the project along with an additional 280 researchers from the Europeanbased Virgo Collaboration. Scientists hope gravitational waves will offer a completely different view of the universe, allowing them to study events that might be hidden from traditional telescopes. “We have furt
18、her confirmation of the existence of stellar (恒星的)mass black holes that are larger than 20 solar masses. We didnt know they existed before LIGO detected them, ” MIT researcher David Shoemaker said.1Who pioneered gravitational waves?ADavid Shoemaker. BChristopher Berry.CScientists from LIGO. DAlbert
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