The Space Age______ in October 1957 when the first artificial satellite was launched by the Soviet Union.(2011年四川大学考博试题)

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问题 The Space Age______ in October 1957 when the first artificial satellite was launched by the Soviet Union.(2011年四川大学考博试题)

选项 A、initiated
B、embarked
C、originated
D、commenced

答案D

解析 在给出的选项中:initiate“开始,发起,创始,倡议”;embark“开始从事”,后接on;originate可作及物动词和不及物动词,作不及物动词,“发源,来自,产生”,作及物动词,“引起,创始,发明”;commence“开始”,作及物或不及物动词均可。根据句意和各个选项的意思可知,正确答案是D。
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