问题
选择题
The two sides have reached a partial agreement, but several differences still ________ between them.
A．happen
B．exist
C．survive
D．appear
答案
答案：B
动词辨析。A发生；B存在；C幸存；D出现；句意：双方已经达成部分协议，但是几个争议之处仍然存在于双方。
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