In 1984, President Ronald Reagan proposed that the United States construct a lau

游客2023-12-27 8

问题 In 1984, President Ronald Reagan proposed that the United States construct a launch laboratory for a new era of space exploration.

选项 A、probing
B、revenge
C、invasion
D、expansion

答案 A

解析本题中，exploration的意思是“探险，勘探，探测”。四个选项中，probing的意思是“探测术”；revenge的意思是“报仇，复仇”；invasion的意思是“入侵”；expansion的意思是“展，开展，膨胀”。只有A项符合题意。

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