Question

18．Scott Kelly，an American astronaut，returned to earth on March 2，2016．He was taller by nearly 1.5inches （3.81cm）when he landed on Earth after his 340-day space mission on the International Space Station （ISS）．
His change in height，which lasted about two days，raised the question：What are the effects of a long-term stay in space？
As you probably know，there is no gravity in space．This not only causes difficulties in everyday actions like eating，walking and sleeping，but also problems for the human body．
The first problem is the air．Without gravity，carbon dioxide cannot spread during breathing，but gathers around the body and causes headaches．More than that，human feelings of movement are affected，which could make people feel sick．
The body's fluids（液體）don't work well in weightlessness，making blood flow upward instead of down to the lower legs，and astronauts'faces become fatter than normal．Gaps between bones also become larger because humans cannot stand up straight．The spine（脊柱）can also get bigger in zero gravity．
In addition，human bodies become weaker because of the lack of gravity and space to move around in．Some astronauts said that after they returned，their muscles hurt and their skin became very sensitive（敏感的）Kelly said during his first press conference，"It was almost like my body was on fire wherever I sat or lay or walked．"
However，the research into the effects of long-term space flight on human bodies and minds never stops．There are many actions that astronauts can take in space．They can take vitamin D for bone growth，wear special belts on their legs to keep blood in their lower bodies and do strength coaches'exercises．The fans in the ISS also help spread carbon dioxide around．"We will do further research．"NASA Administrator Charles Bolden said，"I believe it will be meaningful to human-being．"
88．Something occured to Kelly's body when he finished his space mission，didn't it？Yes，it did
89．People mayhave a headache，if carbon dioxide cannot spread during breathing．
90．What will happen to astronauts'faces in space？They become fatter．
91．Why did Kelly feel burned when he was sleeping according to the text？After they returned，their muscles hurt and their skin became very sensitive．
92．What can astronauts do to keep fit in space？They can take vitamin D for bone growth，wear special belts on their legs to keep blood in their lower bodies and do strength coaches'exercises．
93．Do you agree that the research is meaningful to human-being？Why？Yes，I think it is helpfulto the astronauts．．

Answer 1

分析 本文介紹的是長(zhǎng)期呆在太空的影響．第一個(gè)問(wèn)題是空氣，沒(méi)有重力，二氧化碳不能在呼吸過(guò)程中擴(kuò)散，而是聚集在身體周圍，引起頭痛，不僅如此，人類的運(yùn)動(dòng)感覺(jué)也會(huì)受到影響，這會(huì)讓人感到惡心，臉發(fā)胖，骨間隙變得更大，人類的身體變?nèi)�，為了保持健康，飛行員可以補(bǔ)充維生素D，穿上特制的腰帶，多做訓(xùn)練等．

解答 88．Yes，it did．細(xì)節(jié)理解題．根據(jù)He was taller by nearly 1.5inches （3.81cm）when he landed on Earth after his 340-day space mission on the International Space Station （ISS）．可知Scott Kelly結(jié)束太空任務(wù)后，回到地球身體長(zhǎng)高了3.81cm，故答案為：Yes，it did．
89．have a headache．細(xì)節(jié)理解題．根據(jù)Without gravity，carbon dioxide cannot spread during breathing，but gathers around the body and causes headaches可知二氧化碳不能在呼吸過(guò)程中擴(kuò)散，而是聚集在身體周圍，引起頭痛，故答案為：have a headache．
90．They become fatter．細(xì)節(jié)理解題．根據(jù)and astronauts'faces become fatter than normal可知在太空宇航員的臉變得比較胖，故答案為：They become fatter．
91．After they returned，their muscles hurt and their skin became very sensitive．細(xì)節(jié)理解題．根據(jù)Some astronauts said that after they returned，their muscles hurt and their skin became very sensitive（敏感的）Kelly said during his first press conference，"It was almost like my body was on fire wherever I sat or lay or walked．"可知他們返回后，他們的肌肉受傷，他們的皮膚變得非常敏感，就像身上著火了無(wú)論是坐或躺或走路．故答案為：After they returned，their muscles hurt and their skin became very sensitive．
92．They can take vitamin D for bone growth，wear special belts on their legs to keep blood in their lower bodies and do strength coaches'exercises．細(xì)節(jié)理解題．根據(jù)There are many actions that astronauts can take in space．They can take vitamin D for bone growth，wear special belts on their legs to keep blood in their lower bodies and do strength coaches'exercises可知為了保持健康，飛行員可以補(bǔ)充維生素D，穿上特制的腰帶，多做訓(xùn)練等，故答案為：They can take vitamin D for bone growth，wear special belts on their legs to keep blood in their lower bodies and do strength coaches'exercises．
93．Yes，I think it is helpful to the astronauts．題干問(wèn)的是：你認(rèn)為研究是對(duì)人類有意義嗎？根據(jù)．"NASA Administrator Charles Bolden said，"I believe it will be meaningful to human-being．"可知這項(xiàng)研究對(duì)飛行員有意義．此題答案不唯一，符合常理即可．

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