There ______ that you must keep in mind while dealing with this problem.

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问题 There ______ that you must keep in mind while dealing with this problem.

选项 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

答案B

解析 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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