北师大版（2019）必修第一册《Unit 1 Life Choices Section D》2021年同步练习卷（课后练习）（1）
发布：2024/4/20 14:35:0
一、用适当的介词或副词填空
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1．It is clear that the girl doesn't have confidence
her future.组卷：1引用：3难度：0.8 -
2．I was surprised to know that his experience was quite different
mine.组卷：2引用：3难度：0.8 -
3．When her mother came home，she was chatting
someone online.组卷：3引用：3难度：0.8
三、阅读理解
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10．3 D printing is a recent technological development that has started making its way into the marketplace.It is a way of making 3 D objects from computer models.3 D printing works by adding together layers of material.This pattern is repeated until the layers form a shape for almost any purpose.The almost unlimited possibility of 3 D printing is quickly leading to a revolution in how things are made and produced.As with most technology，3 D printing may help to create things that could benefit humans.However，it could also be used to create things that could harm other people.
One of the promising aspects（方面）of 3 D printing is that it may help doctors treat patients in need.Currently，3 D printing is being used to create prostheses （假体）that help replace missing noses and eyeballs，thus greatly cutting down on the usual wait time for a new prosthesis.Dentists are also using 3 D printers to create custom toothbrushes for patients' teeth.The toothbrush fits a person's teeth well，which means that they get a much cleaner mouth than with regular toothbrushes.Many scientists see the potential for 3 D printing to create replacement organs for people who need organ transplants.This would save lives as it remove the need for such patients to wait for an organ donation （捐献）.
Although many people believe 3 D printing is a positive technology that could help humans，it may also have the opposite effect.There is a recent controversy（争议）about the ability of 3 D printing to produce arms such as guns.Recently，one organization announced the plans to produce a 3 D plastic gun.Anyone with the proper technology and with the determination to make a gun could potentially do so.Will the future of 3 D printing provide hope or danger to humans？
（1）According to the article，how does 3 D printing work？
A．It helps companies enter the marketplace.
B．It adds together layers of material together to make a shape.
C．It uses 3 D objects to make computer models.
D．It uses printers to make different models of computers.
（2）According to the article，what is one possible future benefit of 3 D printing？
A．It may help to prevent deaths.
B．It can create controversy.
C．It can make a toothbrush.
D．It could produce computers.
（3）Which paragraph talks about the controversial aspects of 3 D printing？
A．Paragraph 1.
B．Paragraph 2.
C．Paragraph 3.
D．All of the above.
（4）What can be inferred from the article？
A．It is not yet known whether there will be more benefits than dangers in 3 D printing.
B．Most of companies will start to use 3 D printing technology in the future.
C．Soldiers will benefit greatly from advances in 3 D printing.
D．The government will probably forbid 3 D printing because it is too dangerous.组卷：5引用：1难度：0.5
四、阅读七选五
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11．Until two weeks ago，sixth graders could be found playing football.Recess（课间休息）was a time to play，learn，and exercise.Then，football was banned for being "too dangerous".Now you'll find us lying on the grass and wishing for something to fill our time.
Football is a good source of exercise.The TIME for Kids article，"Fighting Fat in Kids，" talks about different ways to fight obesity（肥胖）.（1）We need football so we don't grow up to be unhealthy and get diseases like diabetes or heart diseases.
（2）With big teams it doesn't leave anyone out like other games.Just picture it：Every child in sixth grade can be invited to play together!Whether you are a great player or a beginner，there is always a place for you on the team!
Some people think football is only for boys.（3）Out of 25 kids，including boys and girls，all will say they want to play football.Even my mom and sister love to play.This shows that football is a valuable part of recess and should not be banned.
Football helps us learn important things.（4）Sometimes during the game both teams argue because they think they should get the point.This gives kids a chance to work out their problems on their own and make a solution.
Please allow football again at recess.（5）We will get more exercise，we will build community，and we will learn important skills.These are lessons we need，and as long as we are careful，we can be safe.Please take the football ban away and let us play again.
A.In fact，that's not true.
B.We will be healthier，stronger kids if you do.
C.For example，we can learn to solve problems.
D.Football is a game that everyone can participate in.
E.These are the basic football rules for school children.
F.One of the reasons kids get fat is because they don't get enough exercise.
G.Football is a dangerous sport with injuries happening frequently to the head.组卷：30引用：3难度：0.5
