题目内容
（请给出正确答案）
Spaceships of the future will be ______.
A．faster and lighter
B．more convenient and comfortable
C．bigger and lighter
D．quicker and larger
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更多“Spaceships of the future will …”相关的问题
Man will probably explore______.
A．areas on which spaceships can land
B．only the largest planets and satellites
C．only a few of the large planets
D．all the land in space
A．Its chemical elements must be studied.
B．Its temperature must be lowered.
C．Big spaceships must be built.
D．Its atmosphere must be changed.
So far there is no proof ______ spaceships from other planets do exist．
A．which
B．that
C．how
D．what
A、Amazon magnate Jeff Bezos
B、Virgin Group founder Sir Richard Charles Nicholas Branson
C、Tesla titan Elon Musk
A、imaginative settings
B、expert film production desig
C、robots and spaceships
D、fantastic special effects
Why is the Space Shuttle Columbia special？
A．Because it is not similar to the spaceships of the previous twenty years.
B．Because it has different designs and is able to return to earth and make further flights.
C．Because it can be used in a variety of ways now.
D．Because it can be used to establish colonies on earth.
A.0.80c
B.0.976c
C.0.994c
D.1.60c
Spaceships need an inertial guidance system, but automobiles do not because of
A．the relative speed of the vehicles.
B．the relative size of the vehicles.
C．the relative cost of the vehicles.
D．their different methods of travel.
Whicn of the following statements is nottrue according to the passage__________．
A.inaccuracies inmeasurement could cause accidents in space missions
B.the speeds of spacevehicles will vary
C.accuracy in speedmeasurement is essential to spaceships
D.a bump could affect thepreciseness of the laser—doppler radar
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