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【单选题】
You may not act as person-in-charge of oil transfer operations on more than one vessel at a time ().A.
Under any circumstances
B.
Unless authorized by the Captain of the Port
C.
Unless radio communication is set up between the vessels
D.
Unless the vessels are moored clear of all docks
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【单选题】Only after I mailed the letter that I had forgot to put a stamp on it.
A.
I remembered
B.
did I remember
C.
I didn't remember
D.
didn't I remember
【单选题】Only after Helen moved to Australia ______ how important she was to me .
A.
I had realized
B.
had I realized
C.
I did realize
D.
did I realize
【单选题】Only after a year ______ to see the results of my experiment.
A.
I began
B.
I had begun
C.
have I begun
D.
did I begin
【简答题】标记用于定义 HTML 文档所要显示的内容,也称为 标记。浏览器中显示的所有文本、图像、音频和视频等信息都必须位于 标记内, 标记中的信息才是最终展示给用户看的。
【简答题】机械搅拌反应器由( )和 ( ) 两大部分组成。
【单选题】Only after I sent out scores of job application _______ an offer from a small company.
A.
had I receive
B.
did I receive
C.
I had received
D.
I received
【简答题】毕业学校,民族
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