n.宇宙飞船()
A.spaceship
B.universe
C.globe
A.spaceship
B.universe
C.globe
Which of the following is not true?
A.The sun is a star in the space.
B.People once thought that the sun went around the earth.
C.Someone will get to the sun in a spaceship(宇宙飞船).
It takes a great deal of power of ______a spaceship into space.
A.elevate
B.launch
C.flourish
D.take off
Weather______ , the spaceship will be launched tomorrow evening
A.permits
B.is permitted
C.permitting
D.is permitting
A.That
B.What
C.It
D.As
Weather ______ (permit), the spaceship will be launched tomorrow evening.
Where have men traveled in a spaceship?
A.To other planets.
B.To the moon.
C.Only on the earth.
Immediately before going out of the spaceship,the astronauts have to__________ .
A.check the spaceship doors
B.walk through the bellows
C.attach each other with a cable
D.do some warm.up exercises
A.released
B.relieved
C.removed
D.relaxed
Laser-doppler radar ______.
A.measures the movements of a spaceship by means of light beam
B.makes use of microwaves
C.makes use of sound waves
D.Both A and B
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