20xx年中考英語(yǔ)復(fù)習(xí) 考點(diǎn)強(qiáng)化訓(xùn)練22 九全 units 13-14（練本）課件-文庫(kù)吧
2025-06-03 14:35 本頁(yè)面
【正文】 ) ( ) ( ) ( ) A B C D C A D B ( ) ( ) ( ) ( ) ( ) few little ( ) ( ) C B A C B C D 二、閱讀理解 (2022廣州 ) Many people know that rubbish is a big problem on pla many people don39。t know is that junk has bee a problem in outer space too. According to BBC News， there are more than 22?000 pieces of space junk floating around the these are just the things that we can see from the surface of the earth by telescopes(望遠(yuǎn)鏡 ).There are also millions of smaller pieces of junk that we can39。t see. Objects， like bits of old space rockets or satellites， move around the pla at very high speeds， so fast that even a very small piece can break important satellites or bee dangerous to the tiniest piece of junk crashed into a spaceship， it could damage the vehicle. To make things worse， when two objects in space crash，they break into many smaller example， when a US satellite hit an old Russian rocket in 2022， it broke into more than 2?000 pieces， increasing the amount of space junk. To reduce additional space junk， countries have agreed that all new space tools can only stay in space for 25 years at tool must be built to fall safely into the earth39。s atmosphere after that the upper parts of the atmosphere， it will burn up. Many scientists are also suggesting different ways to clean up space England scientists are testing a metal that can be fired into space catches the junk and then pulls it into the earth39。s atmosphere to burn up. The Germans are building robots that can collect pieces of space junk and bring them back to Earth to be safely destroyed. “The problem is being more challenging because we39。re sending more objects into space to help people use their mobile phones and puters，” says Marco Castronuovo， an Italian space researcher. “The time to act is longer we leave the proble
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