No force of gravity acts on an astronaut in an orbiting space station.
举一反三
- Questions 11-14 are based on the following dialogue: What are the man and woman discussing A: Trash orbiting Earth. B: A trip by an astronaut to the Moon. C: The too much garbage on Earth. D: Becoming space scientists.
- Russian space __________ is currently orbiting the Earth.
- Once out of the earth’s gravity, the astronaut is affected by the problem of ______ (weight).
- 直到2003 年，中国才将一名宇航员送入太空。 A: China didn't send an astronaut into space in 2003. B: China didn't send an astronaut into space until 2003. C: China didn't sent an astronaut into space until 2003. D: China didn't send a astronaut into space until 2003.
- Technology is a force that acts as a catalyst for change.( )