1、课时提能练(四十七)选修8Module 5The Conquest of the UniverseA：知识层面.语境语法填空()用所给词的适当形式填空Dr.Li does research at university.When he meets difficulties and challenges, comfort from his family brings him much 1.relief (relieve) from the pressure of work.His hard work and 2.devotion (devote) to his job finally paid o
2、ff.Based on scientific 3.observations (observe) and experiments, he put forward a new 4.assumption (assume), which has received a great deal of attention worldwide.Last year, he managed to persuade the local government with 5.patience (patient) to set up a modern laboratory, hoping to attract talent
3、ed researchers and end our 6.dependence (depend) on foreign technologies in many aspects.()填入一个单词Many people are accustomed 1.to booking air tickets online.They usually set 2.out to get the tickets about an hour before their flight takes 3.off.Before the Spring Festival, some people prefer to travel
4、 by plane 4.in spite of the fact that air tickets are much more expensive.Thats because train tickets are harder to get before the new year as opposed 5.to at any other time.However, airlines are often accused 6.of flight delays.Some even say they are taking risks as planes are more likely to crash
5、than trains, which will result 7.in the death of all passengers.Once you are in the air, you are put in a situation where you have to pray 8.for a safe landing.根据提示补全句子1他虽然是老师，但也不可能什么都懂。(as引导的让步状语从句)Teacher_as_he_is,he cant know everything.2汤姆跟他弟弟一样都不用功。(no more .than)Tom is no_more_hardworking_than
6、 his brother.3随着电脑的发明，社会似乎已经大大地改变了。(seem to)With the inventing of the computer, society seems_to_have_changed_greatly.4这位政府官员被指控滥用职权，任用他的亲戚朋友。(accuse)The government official was_accused_of_abusing his position to give jobs to his relatives and friends.5令我非常庆幸的是车并没有损坏。(relief)Much_to_my_relief the ca
7、r was not damaged.B：能力层面阅读理解(2020广州市阶段训练)GALAXIES AND THE UNIVERSEGalaxies are huge groups of stars, planets, gas, and dust. Out Sun is in the Milky Way Galaxy, which measures about 100,000 light years across. That long thin milky bright shape across the middle of the night sky is made up of about s
8、everal billion stars in our galaxy. Our galaxy is a spiral (螺旋式的) galaxy, but there are other types.The Milky Way is only one galaxy among a few hundred million galaxies in our universe (each with hundreds of billions of stars)SPIRAL GALAXY：galaxies that have spiral arms that emerge from the center.
9、Our solar system is located on one of the arms of the Milky Way Galaxy.Our galaxy has a huge black hole at its center that billions of stars revolve around.ELLIPTICAL GALAXY：shaped like a huge egg. The stars in these galaxies tend to be very old. Furthermore, the old stars in ellipticals tend to be
10、yellow and reddish, which according to our understanding of stellar evolution means they are smaller, dimmer stars.IRREGULAR GALAXY：There are many other shapes of galaxies that arent spiral or elliptical. They all fit into the irregular category. Like the Large and Small Magellanic Clouds, they have
11、 rather unusuallooking shapes.【语篇解读】本文主要介绍了三种不同的星系：螺旋星系、椭圆星系和不规则星系。1What is true about the Milky Way?AThere are only stars inside it.BThere is a black hole at its center.CIts the biggest spiral galaxy in the universe.DIt takes 100,000 years to get there from Earth.B细节理解题。根据SPIRAL GALAXY部分的“Our galax
12、y has a huge black hole at its center”可知，银河系中间有一个巨大的黑洞。故选B项。2Which of the following is the main factor in categorizing galaxies?AShape.BSize.CNumber of stars.DDistance from the Sun.A细节理解题。根据SPIRAL GALAXY部分的“have spiral arms”， ELLIPTICAL GALAXY部分的“shaped like a huge egg”和IRREGULAR GALAXY部分的“many othe
13、r shapes of galaxies”可知，星系主要是根据形状来进行分类的。故选A项。3Which of the following galaxies can be classified as irregular?AWhale Galaxysimilar to the Milky Way both in size and shape.BCygnus A (3C 405) Galaxythe brightest egg shape we can observe.CCigar Galaxya long and narrow galaxy that looks like an ashy cloud.DSunflower Galaxya galaxy with multiple arms radiating from its bright core.C细节理解题。根据IRREGULAR GALAXY部分的“many other shapes of galaxies that arent spiral or elliptical”可知，不规则星系的定义是既不是螺旋式的也不是椭圆的，由此可知，雪茄星系可以被归入不规则星系。故选C项。
