"Hello,everyone!Welcome to Tiangong Class." With this greeting,a special lecture began(1)AATiangong space station on Dec 9.
Lasting for about(2)CChour,the space lecture was broadcast live to the students. "Three astronauts from the Shenzhou XⅢ crew - Zhai Zhigang,Wang Yaping and Ye Guangfu – hosted the lecture,showing(3)AAthere and doing some interesting experiments that can only(4)CCin space.This is the second live space lecture in Chjye.aia.In 2013,with the help of other Sheinzhou X crew members,Wang decided(5)CCa speech to over sixty(6)CCschoolchildren across China.
Compared with the class eight years ago,this year's space lecture is greatly different.According to Pang Zhihao,a Beijing-based space expert,the"classroom" is much(7)BB.Instead of Tiangong I experimental module,this year Wang delivered the space lecture in the Tianhe space core module(核心艙).which is the biggest spacecraft developed by China.
Eight years ago,Wang(8)BBstudents the laws of physics and focused on the interesting phenomenon(現象) of weightlessness (失重) in space.(9)BBthis year,biology was added.The astronauts compared the growth and shape of cells in artificial gravity(人工重力) and zero gravity in order to study their changing rules and mechanisms (機械裝置).
"The spirit of science in the youth is an important driver of the progress of mankind," Zhou Jianping,designer-in-chief of China's manned space program;added. "Space activities can help(10)AAbuild the spirit of pursuing science and facing challenges."
(1) | A.in | B.on | C.at | D.for |
(2) | A.a | B.the | C.an | D./ |
(3) | A.how they live and work | B.how do they live and work | C.what do they live and work | D.what they live and work |
(4) | A.been done | B.being done | C.be done | D.done |
(5) | A.given | B.gives | C.to give | D.give |
(6) | A.millions | B.million of | C.million | D.millions of |
(7) | A.small | B.bigger | C.big | D.smaller |
(8) | A.shown | B.showed | C.showing | D.shows |
(9) | A.So | B.But | C.Although | D.Because |
(10) | A.them | B.they | C.themselves | D.their |
【考點】記敘文.
【答案】A;C;A;C;C;C;B;B;B;A
【解答】
【點評】
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