With the(1)developmentdevelopment (develop) of space science,man has learned more and more about jye.ai.Space is not only amazing but also dangerous.While working in space,spacemen are also(2)facingfacing(face) dangers as well as success.
Scientists have(3)foundfound(find) out that radiation is the greatest danger to spacemen in space.When spacemen are working in space,they are in danger of radiation from the sun and other(4)starsstars(star),which is bad for their health.The damage won't(5)be discoveredbe discovered (discover) until their children or even grandchildren are born.Some special medicine may work a little,but no really helpful medicine has been discovered.
Space junk is also a great danger to spacemen.It's reported(6)thatthat there are 9,000 man-made things flying in space.About 30% of(7)themthem (they) are satellites,10% are spaceships,and the rest are space junk.Scientists are watching and reporting any possible danger all the time.They are working(8)onon helpful ways to do with space junk.
(9)AlthoughAlthoughspace is really dangerous,it interests everyone on the Earth.In the future,it may become usual for people(10)to spendto spend (spend) a few days in a space hotel.We may even choose to leave the Earth and live in space for a few years.So we should care for space and do something to help improve the space environment.
【答案】development;facing;found;stars;be discovered;that;them;on;Although;to spend
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發(fā)布:2024/4/23 12:26:7組卷:9引用:1難度:0.7
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