How did Doug, a supervisor, respond to a Chinese-American employee’s request for leave？
A. He told him to get the dates right. C)He flatly turned it down
B. He demanded an explanation. D)He readily approved it.
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Another important way to prolong the life of cut flowers is ____________________
A. by keeping its original shape and colour
B. in the life of the cut flower
C. to produce carbon dioxide
D. for as long as possible
E. by controlling temperature
F. to replace the water and solution every day
It was proposed that the matter ________ discussed at the next meeting.
A. will be
B. has
C. be
D. would be
下图中若所有的螺钉在同一时刻按照给定的方向转动，中间的方块X应向______。
A方向移动 B.B方向移动 C.C方向移动 D.D方向移动
When does sleepwalking usually occur？
A. During active sleep,
B. During deep sleep.
C. In the daytime.
D. In the early morning.
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