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1、题|组|训|练|5科技说明类AAlmost everyone has a question or two about living in space.What is life really like in space? And what do astronauts(宇航员) do there?Astronauts living in space have the same hygiene needs as people do on Earth.When they wake up, they wash their hair, brush their teeth and go to the bat
2、hroom as well.However, because of microgravity(微重力), astronauts take care of themselves in different ways.For example, they use a kind of special matter to wash their hair and leg restraints (腿部固定装置) to position themselves when they use the toilet.Astronauts eat three meals a day: breakfast, lunch a
3、nd dinner.Some food can be eaten in the natural form such as fruit.Other foods require adding water such as noodles.There are no fridges in space, so space food must be stored and prepared properly to avoid going bad.Besides morning routine(常规) and eating in space, astronauts perform many tasks incl
4、uding checking the machines, updating computer equipment(更新电脑设备), etc.At the same time, the control center on Earth sends messages to the astronauts through voice or email with new instructions to assist them in their daily routines.Whats more, living in space is not just all work and no play.A popu
5、lar way of relaxation is looking out of the window.And they can also enjoy themselves by watching movies, reading books, playing cards and talking to their families during their free time.()1.The underlined word “hygiene” in this passage probably means _ in Chinese.A卫生 B饮食 C心理 ()2.As for eating in s
6、pace, which statement is NOT true?AAstronauts eat three meals a day as people do on Earth.BFruit can be eaten in the natural form.CFood can be kept fresh in fridges.()3.Whats the main idea of Paragraph(段落) Four?AEating in space.BWorking in space.CRelaxing in space.()4.Besides checking the machines a
7、nd updating computer equipment, astronauts also need to _ in their daily work.Acommunicate with friends on EarthBcontrol the people at the control center on EarthCreceive the messages and follow the instructions from the control center on Earth()5.From this passage, we learn that _Alife in space is
8、exactly the same as life on EarthBliving in space is different but interestingCastronauts have little free time in spaceBPeople often think of the North Pole(北极) and the South Pole as similar frozen(冰冻的) wastelands.They are both places with very cold temperatures and few people live there.However, t
9、he North and South Poles are not much alike as people may imagine.The North Pole has no land, only thick ice.Temperatures seldom go above 32， at which water turns into ice.Most of the time, it stays below zero.In winter temperatures are usually as low as 30.Although conditions were very poor, people
10、 tried for many centuries to reach the North Pole.About 100 years ago, two men, Robert Peary and Mathew Henson, were able to get to this environment full of troubles and difficulties.They reached the North Pole on March 8th, 1909. It was really a hard trip for them.There are few things more dangerou
11、s than crossing the Arctic(北极圈) on foot.People who stayed there may face many problems: very cold temperatures, sudden storms, and even hunger.Most of the area is uninhabitedFew people can live in such a difficult place.People might think that with such low temperatures for most of the year, the ice
12、 would be thick and hard.However, this is not true in the Arctic.The movement of the ocean water under the ice may often cause many different changes on the surface.Sometimes the ice breaks into two opening lanes of water(水道) called “leads”Anyone who falls into a lead can be frozen to death in a few
13、 minutes.()1.This passage is probably from_ Aa book review Ba science bookCa school report()2.According to the passage, what happened about 100 years ago? ATwo men succeeded in getting to the North Pole.BTemperatures in the North Pole went above 32.CThe environment in the North Pole suddenly became
14、worse.()3.What does the underlined word “uninhabited” probably mean in Chinese? A气候恶劣的 B充满危险的C无人居住的()4.The reason for the ice to break into two opening lanes of water is_ Athat the temperature suddenly drops Bthat the water under the ice is frozenCthat the ocean water under the ice moves()5.What does this passage mainly talk about?AThe thick ice in the North Pole.BA difficult trip to the North Pole.CThe real situation in the North Pole.