2、废除强制性问题（Mandatory Questions） 注释：旧版考试中，20道题目里会有3道强制性问题，这3道强制性问题只许对不准错。
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mandatory questions
强制性的问题
以上为机器翻译结果，长、整句建议使用 人工翻译 。
In particular, the questions about mandatory licensing, the standard of living, the definition of monopoly, and free trade do not specifically challenge leftist sensibilities.
WSJ: Daniel Klein: Are You Smarter Than a Fifth Grader?
Asking questions should be mandatory.
FORBES: Why CEOs Want Faster Training--No Matter The Cost
The suit raises questions about the pricing of museums across the US, which range from free to a recommended fee to mandatory ticket fee.
BBC: Should museums be free?
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