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Some concrete actions were taken to improve the living conditions there but prov
Some concrete actions were taken to improve the living conditions there but prov
游客
2023-09-06
69
管理
问题
Some concrete actions were taken to improve the living conditions there but proved to be __________.
选项
A、at a premium
B、to no avail
C、of their own accord
D、on the alert
答案
B
解析
采取了一些具体的措施来改善那里的生活条件,但是不见效果。本题是考查介词词组的用法。at a premium“奇缺的,难得的”;to no avail“完全无用”;of one’s own accord“出于自愿的,主动的”;on the alert“警觉的,随时准备做……”。
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