2020-2021学年高中英语 课时分层作业8 Unit 3 Life in the future Section Ⅱ Learning about Language 新人教版必修5.doc
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- 2020-2021学年高中英语 课时分层作业8 Unit Life in the future Section Learning about Language 新人教版必修5 2020 2021 学年
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1、课时分层作业(八)Section Learning about Language(建议用时:40分钟)语言知识练习固基础.语境填词A) 根据汉语或首字母提示,写出所缺单词1The training program covers every aspect (方面) of the job.2These English words are easily forgotten unless constantly (不断地) repeated.3The match was cancelled due to lack(缺乏) of support.4His name was flashed (闪现) up
2、on the screen.5The university students are fairly optimistic (乐观的) about their future.B) 在空白处填入1个适当的单词或括号内单词的正确形式6She had previously (previous) worked in television.7Many people attended the opening (open) of the new sports centre.8We didnt have the picnic because the weather was uncertain (certain)
3、9For some reason she got the impression(impress)that you didnt like her.10Those air conditioners are easy to handle(handle) and work with little noise.选词填空take up,lose sight of,as a result,be back on ones feet,sweep up,slide into1Lucy needs to be back on her feet again and forget the misfortune.2Tom
4、 slid into the classroom when our teacher didnt notice him.3Id like to take up my uncles offer of a ride into town.4When you have swept up the dirt,put the brush away.5It was so dark that he lost sight of his son.高考题型练习提能力.阅读理解Oumuamua,an object falling through space that was discovered on October 1
5、9th,has already made history.The speed at which it is moving relative to the sun means that it cannot be native to the solar system.Its official name is thus /2017 UI,with the “I” standing for interstellar(星际)the first time this name has ever been used.That is exciting.Some scientists,though,enterta
6、in an even more exciting possibility what if Oumuamua is not an asteroid(小行星),as most think,but an alien(外星的)spacecraft?Asteroids come in all sorts of shapes and sizes,but Oumuamua seems particularly different.As best as astronomers can tell,it is cigarlike,being roughly 180 meters long but only abo
7、ut 30 meters wide.That makes it longer than anything known of in the solar system.Such a shape would be a sensible choice for spaceship,since it would minimize the scouring(冲刷)effort of interstellar dust.With that in mind,the Breakthrough Listen project,an organization aimed at hunting for alien lif
8、e,plans to turn the worlds biggest radio telescope,the Green Bank instrument in Virginia,towards Oumuamua to see if it can hear anything interesting.Oumuamua is currently about twice as far from Earth as Earth is from the sun.At that range,the telescope should be sensitive enough to pick up a transm
9、itter(发射机)about as powerful as a mobile phone after just a few secondsworth of observations.Will it find anything?Almost certainly not.Oumuamua has the same reddish color as many asteroids,so probably has a similar composition.And if it really is a spaceship,it is strange that signs of its artificia
10、l origin have not been seen already.It could,in theory,be a derelict(遗弃星球)But in that case the telescope is unlikely to hear anything.By far the most likely option is that it is exactly what it seems to be: a huge space rock,one that has come to the solar system from the vast space between the stars
11、.【语篇解读】本文是一篇科普类的文章。Oumuamua的形状让一些科学家认为它可能是外星飞船,按这篇文章来说它最有可能是A space rock,但是Oumuamua的真实身份还有待发现。1What makes some scientists think Oumuamua is possibly an alien spacecraft?AIts size.BIts color.CIts shape.DIts speed.C推理判断题。根据第二段中“Such a shape would be a sensible choice for spaceship,since it would minim
12、ize the scouring(冲刷)effort of interstellar dust.”可知,是它的形状让一些科学家认为 Oumuamua可能是外星飞船。2What does the underlined word “that” in the third paragraph probably mean?AThe research into the solar system.BThe purpose of hunting for alien life.CThe effect of interstellar dust on Oumuamua.DThe possibility of Oum
13、uamua being a spaceship.D代词指代题。根据第二段中“Such a shape would be a sensible choice for spaceship,since it would minimize the scouring(冲刷)effort of interstellar dust.”和第三段最后“At that range,the telescope should be sensitive enough to pick up a transmitter(发射机)about as powerful as a mobile phone after just a
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