问答题
【参考答案】
B00H Olympics and I
(A) It is well known that th......
(↓↓↓ 点击下方‘点击查看答案’看完整答案、解析 ↓↓↓)
点击查看答案&解析
<上一题
目录
下一题>
热门
试题
单项选择题
Which of the following is consistent with the passage
A.Current rockets are vulnerable and unstable.
B.New propulsion system has been developed.
C.People consider laser beams as a possible solution to developing new propulsion system.
D.At present, nuclear energies can be used in propulsion systems.
点击查看答案&解析
单项选择题
The passage is mainly about ______.
A.the development of space' technology
B.the obstacles and prospects of space transportation
C.the public interests in space travel
D.the growth of space business
点击查看答案&解析
相关试题
how many miles the car has on the...
took into account the engine size,...
Without the dream of the youth, ...
If there’s proof that certain colo...
It is amazing that so many people...