at the rate of
at the speed of
固定搭配用法,这两个词前都用介词at,
从句中道理也是一样的.
The speed____which an animal lives is determined by measuring the rate____which it uses oxygen.
The speed____which an animal lives is determined by measuring the rate____which it uses oxygen.
A.in,at B.at,by C.with,in D.at,at
答案应该选D,为什么?请说明原因,
A.in,at B.at,by C.with,in D.at,at
答案应该选D,为什么?请说明原因,
英语人气:984 ℃时间:2020-03-28 07:28:38
优质解答
我来回答
类似推荐
猜你喜欢
- 129又7之6 × 30又7分之1简便运算
- 2两车从两个城市同时相对开出,行了2.4小时,两车相距全程的40%,甲速度比乙快20%,乙每小时行45千米.
- 3I had to work last Sunday because I ____ to write an article for a magazine.
- 42X+7Y=15,X+3Y=10.
- 56分之1和4分之1怎么通分
- 6It seems that he has a lot of friends(同义句
- 7计算:1/100+2/100+3/100+…+99/100.
- 8甲、乙两人加工一批零件,甲独做30天完成,乙每天可加工20个,两人合作完成时,甲比乙多加工了总数的20%,问乙
- 9Mr green with his family谁是主语?为什么Mr green with his family often goes for a walk的goes加单三
- 10在三角形ABC中若b=2,B=30度C=105度则a=