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【单选题】
能引起心脏后负荷加重的瓣膜病为A.
二尖瓣狭窄
B.
二尖瓣关闭不全
C.
主动脉瓣狭窄
D.
主动脉瓣关闭不全
E.
三尖瓣关闭不全
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【单选题】—Could we complete the task according to the schedule? —I doubt that．The problem remains _____ we can get financial aid from the government．
A.
that
B.
when
C.
why
D.
where
【单选题】We have the same goal--- _____________. A. complete the task B. to complete the task C. completing the task D. completed the task
A.
B.
C.
D.
D
【简答题】十倍连续稀释,过程如下图,如果样品A的浓度为1mol/L,那么B、C、D、E的浓度分别是多少mol/L?
【简答题】Task Complete the following table seating arrangement. Henry is retiring on Monday. Mr. Nelson, Chairman of your company, asks you to arrange the table seats for Henry’s farewell dinner. Here are some...
【单选题】The manager demanded that the workers extra hours to complete the task ahead of time.
A.
worked
B.
would work
C.
work
D.
had worked
【多选题】(Watch thevideo 5:46-9:45) Before listening to the text in BookA, the teacher asked the students to complete the listening task in the Workbookof Book B. What could be the possible reasons for the tea...
A.
She may think the two m aterial s are of the same topic.
B.
She may think the two m aterial s have close connection s.
C.
She may want to Increase difficulty level according to students' abilities.
D.
She may think t he text content is not sufficient .
【单选题】It’s high time we ( ) the experiment, otherwise we can’t complete the task according to the schedule.
A.
saw to
B.
catered to
C.
got down to
D.
were derived from
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