rate 做先行词的定语从句的选择题?

Due to the COVID-19 outbreak, many top fashion   houses   are slowing the rate________ they hold fashion shows. A.of which  C.that B.when D.at which

答案为D。rate 是速度,速率的意思。这里怎么理解呢?谢谢。

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刘永科   - 教育出版集团英语总顾问 & 英语系列图书主编
擅长:语法理论,语言学,文化背景

at the rate:以......速度。
速度;速率:
The rate at which something happens is the speed with which it happens.
The rate at which hair grows can be agonisingly slow.
头发生长的速度可能极其缓慢。
比率;频率 :
The rate at which something happens is the number of times it happens over a period of time.
New diet books appear at a rate of nearly one a week.
新的饮食类书籍差不多一周出一本。

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  • 高山 提出于 2021-01-08 14:01