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The Space Age ______ in October 1957 when the first artificial satellite was lau
The Space Age ______ in October 1957 when the first artificial satellite was lau
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2023-11-06
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问题
The Space Age ______ in October 1957 when the first artificial satellite was launched by the Soviet Union.
选项
A、initiated
B、originated
C、embarked
D、commenced
答案
D
解析
句意:太空时代开始于1957年10月,那时候第一个人造卫星由苏联发射上空。 initiate是个及物动词,“开始,发起,倡议”,如initiate a constitutional amendment提出宪法修正案;originate作及物动词意为“发源,来自,产生”,作不及物动词时,意为“引起,创始,发明”;embark on意为“从事(飞机,汽车),发动,着手”;commence意为“开始,着手”,既可作及物动词,又可作不及物动词。
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