当前位置:考试网  > 试卷库  > 学历类  > 自考  > 自考公共课  > 英语(二)  >  In August 1977, a satellite to gather data about the 10 million black holes which are thought to be in the Milky Way.
试题预览

In August 1977, a satellite to gather data about the 10 million black holes which are thought to be in the Milky Way.

A、launched
B、waslaunched
C、hasbeenlaunched
D、islaunched
查看答案
收藏
纠错
正确答案:

B

答案解析:

暂无解析

你可能感兴趣的试题

Hismotherbecomesdisappointedwheneverhefailstoliveuptoher________(expect)

时差反应是每个国际旅行者可能遇到的问题。翻译

Itisessentialthateverythinginadvance.()

The present crisis bears some ________(similar) to the oil erisis of the 1970s

Althoughtheyagreethatlifeisimportantandshouldberespected,theyfeelthatthequalityoflifeshouldnot__(ignore).

扫一扫,手机做题