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【单选题】
热风炉一个周期时间是指（）。A.
t 送风 +t 燃烧
B.
t 送风 +t 换炉
C.
t 燃烧 +t 换炉
D.
t 送风 +t 换炉 +t 燃烧
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举一反三
【单选题】Why does the librarian ask the student about her favorite videos?
A.
To show her interest in him.
B.
To do a survey.
C.
To complete the procedure.
D.
To help him find a video.
【单选题】Why does the woman want to move out?
A.
Because she does not get along with her brother.
B.
Because her parents treat her badly.
C.
Because she wants to be independent.
D.
Because she quarreled with her parents.
【单选题】Why does the man call the woman ?
A.
To tell her about her new job
B.
To ask about her job program
C.
To plan a meeting with her.
【简答题】因报道“泰坦尼克号”事件而出名的报人是（）
【简答题】因报道“泰坦尼克号事件”而出名的报人是____(3个字人名)
【单选题】在( )时期,一个特别的历史事件将麦积山石窟的发展又推向了一个新的高度,这就是魏文帝皇后乙弗氏在一声哀怨的长叹后,自尽于麦积山寺中,之后又在麦积山石窟“凿龛而葬”,把麦积山石窟和西魏皇室家族紧密地联系在一起。
A.
北周
B.
西魏
C.
东汉
D.
隋代
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