Nuclear rockets, in contrast to their chemical

中国大学MOOC: Travelers in space have to ________ many discomforts in their rockets.

The ancient Egyptians are supposed ______ rockets to the moon.

Rockets have found application for the exploration of the universe.

学起: Space travel is dangerous and the astronauts in space have to ______ many discomforts (不适) in their rockets.

如何控制住火箭的动力，是成功发射宇宙飞船的一个关键。 A: How to harness the power of the rockets, which is the key to the successful launch of a spaceship. B: How to harness the power of the rockets, it is the key in the successful launch of a spaceship. C: How to harness the power of the rockets is the key to the successful launch of a spaceship. D: How to harness the power of the rockets is the key in the successful launch of a spaceship.

Travelers in space have to ________ many discomforts in their rockets. A: persist B: adjust C: accept D: endure

Rockets perform best in space, where there is no atmosphere to impede their motion.

This passage could be entitled ______. A: Rockets B: Principles of Rocket C: Cylinder D: The Rocket Belt

Within two days， the army fired more than two hundred rockets and missiles at military ________ in the coastal city.