The inconvenience to users and economic cost to the nation escalate rapidly.

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问题 The inconvenience to users and economic cost to the nation escalate rapidly.

选项 A、decrease
B、fall
C、increase
D、decline

答案C

解析划线词escalate意为“迅速上涨”，decrease，fall，decline作动词，都解释为下降，只有increase是“上升”意思，故排除A、B、D。

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职称英语卫生类C级

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