As space science develops,man has learned more and more about jye.ai.Space is not only amazing but also dangerous.While working in space,spacemen are facing danger.Scientists have found out that radiations(輻射) the greatest danger to spacemen in space.When spacemen are working in space,they are in danger of radiation from the sun and other stars,which is bad for their health.The harm done by radiation won't be discovered until their children or even grandchildren are born.Some special medicine may work a little,but no really helpful medicine has been found.
Space rubbish is also a great danger to spacemen.It's reported that there are 9,000 man—made things flying in space.About 30% of these are man—made satellites(衛星),10% are spaceships,and the rest are space rubbish.Scientists are watching and reporting any possible danger all the time.They are working on helpful ways to deal with space rubbish.Although space is really dangerous,it interests everyone on the earth.In the near future,it may become usual for people to spend a few days in a space hotel.We may even choose to leave the earth and live in space in a few years.So we should care for space and do something to help improve the space environment.
(1)For spacemen,space is BB.
A.beautiful and splendid
B.amazing and dangerous
C.dangerous and splendid
D.Splendid and amazing
(2)What harm does the radiation do to the spacemen? AA
A.radiation will harmful for their body.
B.radiation will harmful for their children.
C.radiation will harmful for their grandchildren.
D.radiation will harmful for their leg.
(3)What does the last 2 paragraph mainly want to tell us? BB
A.The danger of space.
B.The space in the future.
C.Protect space environment.
D.The plants in space.
【答案】B;A;B
【解答】
【點評】
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發布:2024/7/17 8:0:9組卷:1引用:1難度:0.5
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