单选题：The Constitution's vague nature has given it the flexibilit

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题目内容：
The Constitution's vague nature has given it the flexibility to be adapted when circumstances change. A．imprecise
B．concise
C．unpolished
D．elementary

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He tried to assemble his thoughts.

He tried to assemble his thoughts.A．clear B．share C．gather D．spare

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Each of the tests costs $42,500.

Each of the tests costs $42,500.A．Right B．Wrong C．Not mentioned

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设计具体的教学活动，引导学生完成下面的[研讨与练习]。 [研讨与练习]联系上下文，品味下列语句，并根据自己的生活体验加以

设计具体的教学活动，引导学生完成下面的[研讨与练习]。 [研讨与练习]联系上下文，品味下列语句，并根据自己的生活体验加以阐释。 (1)我真正需要知道的一切

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