单选题

There are, for example, widely differing views of the potential value of the assets______.
[A] at stake [B] at a stroke
[C] at an action [D] at a time
【正确答案】 A
【答案解析】[解析] 此题为词组使用题目。这样的题占1/4 的比例，平时需要多积累。