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【简答题】
混凝土结构可以采用( )保护来防止腐蚀和渗透,也可以用表面非金属覆盖层。
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【单选题】China sent up Shenzhou VII manned spaceship into spaceship successfully, which shows that science and technology ______ rapidly in China.
A.
has been developing
B.
develops
C.
developed
D.
has developed
【单选题】下面( )是合法的URL。
A.
http://www.ncie.cn
B.
Bftp://www.ncie.gov.cnabrar
C.
http//C:/Downloads/abrar
D.
Dhttp://www.ncie.gov.cnabhtml
【简答题】The giant, spherical spaceship mentioned in the［A］the outer space［B］a man made spaceship ［C］the planet Earth［D］the Star Wars mothe ship
【单选题】下面( )是合法的URL。
A.
https://www.ncie.cn
B.
Bftp://www.ncie.gov.cnabrar
C.
http//C:/Downloads/abrar
D.
Dhttps://www.ncie.gov.cnabhtml
【简答题】完形填空。 India has sent 1 first spaceship to the moon. Scientists sent the spaceship on October 22nd, 2008 in a place 2 Sriharikota in India. It 3 to the moon on the morning of Wednesday. People all over...
【单选题】What does the scientist in the spaceship measure? ______
A.
The speed of the spaceship.
B.
The time needed for a beam of light’s travel in the spaceship.
C.
The speed of the other spaceship.
D.
The time needed for a beam of light’s travel in the other spaceship.
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