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【单选题】
发生火灾时,如各种逃生的路线被切断,最直接的做法应当()同时,可向室外扔出小东西,在夜晚则可向外打手电,发出求救信号。
A.
大声呼救
B.
强行逃生
C.
退居室内,关闭房门
D.
防烟中毒跳楼逃生
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【单选题】Even a child knows that nodding head means 'Yes'. But some people Would probably (56 ) when they first came to India. When they talked to (57 ) Indian, he would often shake his head. They (58) think t...
A.
puzzled
B.
be puzzled
C.
puzzle
D.
be puzzling
【单选题】某理想气体B,经恒温膨胀、恒容加热、恒压冷却3步完成一个循环,气体吸热24000J,则该循环过程的△U、W及△H为( )
A.
)△U=△H=0,W=-24000
B.
△U=0,△H≠0,W=24000J
C.
△U,△H,W不能确定
D.
△U=0,△H=24000J,W无法确定
【单选题】In the following list who is the eminent translator of Pekin University?
A.
Guo Cunhai
B.
Luo Yu
C.
An Xinzhu
D.
Zhao Zhenjiang
【单选题】某理想气体B,经恒温膨胀、恒容加热、恒压冷却3步完成一个循环,气体吸热24000 J,则该循环过程的△U、W及△H为
A.
△ U = △ H = 0, W = -24000 J
B.
△ U = 0, △ H ≠ 0, W = 24000 J
C.
△ U, △ H, W 不能确定
D.
△ U = 0, △ H = 24000 J, W 无法确定
【单选题】在利润-业务量式盈亏临界图中,若横轴表示销售量,则利润线的斜率表示( )。
A.
边际贡献率
B.
变动成本率
C.
单位贡献边际
D.
单位变动成本
【单选题】_____ the child cannot forgive is the parents’ refusal to admit these charges if the child knows them to be true.
A.
Whether
B.
That
C.
Why
D.
What
【简答题】Even a child knows that nodding the head means' Yes'. But some people will probably be puzzled when they first come to India. When they talk to an Indian, he often shakes his head. They might think th...
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【单选题】Even a child knows that nodding head means “Yes”.But some people would probably 1when they first came toIndia.When they talked to 2Indian,he would often shake his head.They 3think that theIndiadid not...
A.
puzzled
B.
be puzzled
C.
puzzle
D.
be puzzling
【简答题】Even a child knows that nodding the he ad means 'Yes'. But some people will probably be puzzled when they first come to India. When they talk to an Indian, he often shakes his head. They might think t...
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