皮皮学，免费搜题
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【单选题】
3*50.在临床试验中,将研究对象进行了随机分组的目的是
A.
提高研究对象的依从性
B.
增强研究对象的代表性
C.
增强试验组和对照组的可比性
D.
使试验组和对照组都受益
E.
降低试验组的失访率
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举一反三
【单选题】______, I am afraid I can't go with you.
A.
With so much work to do
B.
With so much work doing
C.
For so much work to do
D.
To do so much work
查看完整题目与答案
【多选题】在PowerPoint2010中，PPT动画有两种形式，它们是（）。
A.
幻灯片之间的切换动画；
B.
文字动画；
C.
幻灯片内的对象的动画；
D.
图片动画。
查看完整题目与答案
【单选题】— You can't finish the work in less than an hour, I suppose? — __________.
A.
No, hardly
B.
Sorry, I can't
C.
Yes, I'm sure I can
D.
I don't think I can
查看完整题目与答案
【单选题】肺心病发病的主要机制是
A.
肺泡毛细血管急性损伤
B.
支气管肺感染和阻塞
C.
肺弥散功能障碍
D.
肺动脉高压
E.
肺性脑病
查看完整题目与答案
【单选题】I don’t think he can finish the work,______?
A.
do I
B.
can’t I
C.
can’t he
D.
can he
查看完整题目与答案
【单选题】在PowerPoint2010中,PPT放映文档的扩展名为( )。
A.
.PPT
B.
.PPTX
C.
.PPMX
D.
.PPSX
查看完整题目与答案
【单选题】— The problem is very difficult. I'm afraid you can't work it out. — _____ or not I can succeed, I'll have a try. [     ]
A.
If
B.
Since
C.
Whether
D.
As
查看完整题目与答案
【单选题】肺心病发病的主要机制是（）
A.
肺泡毛细血管急性损伤
B.
支气管肺感染和阻塞
C.
肺弥散能障碍
D.
肺动脉高压
E.
肺性脑病
查看完整题目与答案
【单选题】I don’t think you can finish the work in such a short time, __________?
A.
can’t you
B.
can you
C.
do I
D.
don’t I
查看完整题目与答案
【单选题】—Can you finish the work in three days? —Sorry, I ________. My computer doesn't work. [     ]
A.
mustn't
B.
may not
C.
can't
D.
needn't
查看完整题目与答案
相关题目：
【单选题】______, I am afraid I can't go with you.
A.
With so much work to do
B.
With so much work doing
C.
For so much work to do
D.
To do so much work
查看完整题目与答案
【多选题】在PowerPoint2010中，PPT动画有两种形式，它们是（）。
A.
幻灯片之间的切换动画；
B.
文字动画；
C.
幻灯片内的对象的动画；
D.
图片动画。
查看完整题目与答案
【单选题】— You can't finish the work in less than an hour, I suppose? — __________.
A.
No, hardly
B.
Sorry, I can't
C.
Yes, I'm sure I can
D.
I don't think I can
查看完整题目与答案
【单选题】肺心病发病的主要机制是
A.
肺泡毛细血管急性损伤
B.
支气管肺感染和阻塞
C.
肺弥散功能障碍
D.
肺动脉高压
E.
肺性脑病
查看完整题目与答案
【单选题】I don’t think he can finish the work,______?
A.
do I
B.
can’t I
C.
can’t he
D.
can he
查看完整题目与答案
【单选题】在PowerPoint2010中,PPT放映文档的扩展名为( )。
A.
.PPT
B.
.PPTX
C.
.PPMX
D.
.PPSX
查看完整题目与答案
【单选题】— The problem is very difficult. I'm afraid you can't work it out. — _____ or not I can succeed, I'll have a try. [     ]
A.
If
B.
Since
C.
Whether
D.
As
查看完整题目与答案
【单选题】肺心病发病的主要机制是（）
A.
肺泡毛细血管急性损伤
B.
支气管肺感染和阻塞
C.
肺弥散能障碍
D.
肺动脉高压
E.
肺性脑病
查看完整题目与答案
【单选题】I don’t think you can finish the work in such a short time, __________?
A.
can’t you
B.
can you
C.
do I
D.
don’t I
查看完整题目与答案
【单选题】—Can you finish the work in three days? —Sorry, I ________. My computer doesn't work. [     ]
A.
mustn't
B.
may not
C.
can't
D.
needn't
查看完整题目与答案