单选题
There ______ that you must keep in mind while dealing with this problem.
A、
is one or two points
B、
are one or two points
C、
is a point or two points
D、
are a point and two points
【正确答案】
B
【答案解析】
[精解] 语句理解题。题目的意思是:当你要解决这个问题时,你必须记住一两个要点。所以答案为[B]。
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