问题
选择题
After careful research, it was decided that the spaceship should reenter the Earth’s________.
A．surface
B．air
C．environment
D．atmosphere
答案
答案：D
A“表面”；B“空气”；C“环境”。
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After careful research, it was decided that the spaceship should reenter the Earth’s________.
A．surface
B．air
C．environment
D．atmosphere
答案：D
A“表面”；B“空气”；C“环境”。