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【单选题】
俗话说"相逢一笑泯恩仇"，国共两党在历史上曾有过两次合作，但其中第二次合作是外力迫使的，这次合作初步形成的标志是（ ）
A.
张学良、杨虎城扣押，实行"兵谏"
B.
卢沟桥事变后不久，被迫接受联共抗日主张
C.
九一八事变以后
D.
西安事变的和平解决
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】不管成交与否，当顾客稍有疑问时，推销员便以对方当然会购买的说法迫使顾客交易。这种交易成交方法叫（）。
A.
假定成交法
B.
保证成交法
C.
选择成交法
D.
最后成交法
【多选题】根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。(71 )When a person does a certain thing again, he is impelled(迫使) by some unseen force to do the same thing repeatedly; thus a habit is formed．Once a habit is ...
A.
There are other habits which, when formed in early life, are of great help.
B.
Whether good or not habits are, they are easy to get rid of.
C.
We ought to keep from all these bad habits, and try to form such habits as will prove good for ourselves and others.
D.
Habits, whether good or bad, are gradually formed.
E.
It is very important for us to know why we should get used to good habits.
F.
These are all easily formed habits.
G.
It is therefore very important that we should pay great attention to the formation of habits.
【单选题】药物在生物膜一侧形成离子障时，说明 ：
A.
离子型药物易跨膜，不易留在膜一侧
B.
非离子型药物易跨膜，离子型药物不易跨膜
C.
离子型和非离子型药物都易跨膜
D.
离子型和非离子型药物都不易跨膜
E.
非离子型药物不易跨膜，易留在膜一侧