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【简答题】

China’s Manned Space Program
Spaceship:
Shenzhou V
Time: October 15th, 2003
Main s:
Chinese spaceman Yang Liwei was sent up into space. He went around the earth 14 times in his one-day flight. China became the third country to succeed in manned space flight.
Spaceship:
Shenzhou Ⅵ
Time: October 12th, 2005
Main s:
Chinese spacemen Fei Junlong and Nie Haisheng were both sent up into space. On October 17th, the two Chinese space heroes safely returned to the earth.
Spaceship:
Shenzhou Ⅶ
Time: September 25th, 2008
Main s:
Chinese spacemen Zhai Zhigang, Liu Boming and Jing Haipeng were sent up into space. Zhai Zhigang made our country's first spacewalk. This spacewalk took 20 minutes.
Spaceship:
Shenzhou Ⅹ
Time: June 11th, 2013
Main s:
Chinese spacemen Nie Haisheng, Zhang Xiaoguang and the second spacewoman Wang Yaping were sent up into space and connected with the space station Tiangong I. Wang Yaping gave a space lesson about micro-gravity (微重力) to all Chinese agers. This space lesson lasted 40 minutes.
小题1:According to the article, the Chinese spaceman traveling in space twice is ____________.A.Yang LiweiB.Fei JunlongC.Nie HaishengD.Zhai Zhigang小题2:Shenzhou V went around the earth in space _____________.A.OnceB.4 timesC.5 timesD.14 times小题3:Fei Junlong and Nie Haisheng stayed in space for _____________.A.1 dayB.4 daysC.5 daysD.14 days小题4:Zhai Zhigang made our country’s first spacewalk in _____________.A.2013B.2008C.2005D.2003小题5:The space lesson about micro-gravity to all Chinese agers lasted _____________.A.one dayB.three daysC.15 minutesD.40 minutes

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题目标签:重力
参考答案:
参考解析:
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刷刷题刷刷变学霸
举一反三

【单选题】重力和黏滞力分别属于:()

A.
表面力、质量力
B.
表面力、表面力
C.
质量力、表面力
D.
质量力、质量力

【多选题】重力中心在( )时最高:

A.
双支撑相
B.
单支撑相
C.
支撑相
D.
摆动相
E.
支撑相与摆动相答案:B
F.
:单选题
G.
.支撑中期支撑侧参与的肌肉  ( BC )
H.
胫前肌
I.
股四头肌
J.
小腿三头肌 K. 臀大肌 L. 髂腰肌

【单选题】重力放轮位于()

A.
中央控制台底部
B.
起落架手柄下方
C.
机长手轮旁

【单选题】重力和黏滞力分别属于( )。

A.
表面力、质量力
B.
表面力、表面力
C.
质量力、表面力
D.
质量力、质量力

【单选题】质量:重力( )

A.
年龄:幼稚
B.
电源:电阻
C.
海拔:气压
D.
压力:摩擦

【单选题】​4.重力为( )与( )的合力。​

A.
惯性离心力,湍流摩擦力
B.
惯性离心力,科氏力
C.
地球引力,科氏力
D.
地球引力,惯性离心力