科技类词汇对应语法填空passage 1Three Chinese astronauts landed in a northern desert on Sunday after six months in space.They had been working（1） （ complete） the basic structure of the Tiangong space station，a symbol of the countrys（2） （ ambition） space program.A capsule carrying commander Chen Dong and astronauts Liu Yang and Cai Xuzhe touched down at a landing site in the Gobi Desert in northern China at approximately 8：10 pm. Before leaving the Chinese space station，they had spent almost five days with three（3） （ colleague） who arrived on Wednesday in the Shenzhou15 spaceship，（4） （ mark） the first time China had six astronauts in space at the same time. The astronauts（5） （ carry） out of the capsule by medical workers about 40 minutes after landing.They all wore smiles and appeared to be in good condition，waving（6） （happy）at the workers at the landing site. The three astronauts were part of the Shenzhou14 spaceship，（7） was launched in June.After their arrival at Tiangong space station，Chen，Liu and Cai performed three spacewalks，held a live science lecture from the station and conducted（8） range of experiments. Tiangong space station will be the only space station still up and running in the universe one day（9） the International Space Station（10） （ retire） by around the end of the decade as expected.passage The rise in childrens screen time has brought about calls for（1） （great）interaction and more outdoor exercise to improve learning and guard（2） the spread of shortsightedness. Time spent online（3） （increase）dramatically in the past years.Millions of pupils have been forced （4） （switch） to remote learning，according to Qustodio software，（5） tracks usage of devices by children aged 4 to 15 in the UK，US and Spain. One area of concern is eyesight.More occurrence of childrens nearsightedness is likely caused by children being kept at home with schoolwork delivered online.It is uncertain（6） the rise is caused by more time spent on screens or less time outdoors，but previous studies have suggested daylight（7） （expose） is key. Another concern is about sleep problems among children.It is definitely clinically significant.Theres evidence that shows a sharp increase in children with sleep problems.A number of（8） （factor） may account for it，with increased screen time being （9） . Parents also worry about the impact of too much screen time on childrens mental and emotional development.Instead of interactions with their class，spending hours（10） （passive）sitting in front of a screen may lead to stress and other mental health problems.passage 3 Chinese smart phone makers are focusing on foldable smartphones to wrap up the year of fierce competition in the highend market.Huawei Technologies Co unveiled（发布）the P50 Pocket，its（1） （late）foldable handset，on Thursday.（2） （price）from 8，988 yuan（1，411）in China，the model reflects Huaweis intention （3） （sharpen） its technical and foldable design capabilities，market insiders said. Huawei is well on its way to maintain a solid presence.The P50 Pocket（4） （expect） to go up against the Find N （5） Oppo unveiled last week.Smartphone brands such as Xiaomi and Vivo are also rolling up their sleeves in the foldable market. The number of devices equipped with Harmony OS has been over 220 million units.The Internet of things devices （物联网设备） from thirdparty （6） （ company） that are powered by the Harmony OS Connect have exceeded 100 million units this year. Huawei launched （7） （it） first foldable smartphone in 2019.Data from iResearch， （8） Market research firm，showed that Huawei accounted（9） 64 percent of Chinas foldable smartphone market this year.Foldable smartphones are turning （10） （increasing） popular in China as they become more affordable while foldable display technologies continue to mature. Pete Lau，chief product officer of Oppo，said earlier he believes foldable smartphones will evolve （演变） from being novelties to necessities.passage 4For over a century ，student journalists at The Daily Tar Heel （ DTH ） have documented their college life and raised（1） （ variety ） questions on free expression ，tuition ，and big time athletics.The independent student newspaper celebrated its 125th anniversary this year .To mark it ，student（2） （ report ） asked the question ：What s the future of the DTH ？ Student newspapers are faced（3） a dark reality.Falling advertising income ，increasing digital demands and the lack of subscription fees as they are free（4） （ read ） mean that such newspapers are finding them much（5） （ hard ） to survive .Most college papers have reduced their print editions .And while the DTH（6） （ use ）to produce around 22，000 newspapers ，it only makes around 10，000 now. Increasingly，student journalists have turned their focus to their digital