大学英语大学英语大学英语六级(CET6)大学英语六级模拟题13
题目内容

Rising energy costs increase operating costs ____for many older air-conditioning systems in large buildings, causing owners to seek help.

2024-07-09

A.heatedly

B.severely

C.fiercely

D.drastically

题目答案

一对一服务

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