题目内容（请给出正确答案）

[单选题]

It would have been better to have concentrated on a few things rather than to（)so much

A.attempt

B.attract

C.attain

D.attend

查看答案

如果结果不匹配，请联系老师获取答案

您可能会需要：

重置密码查看订单联系客服

安装优题宝APP，拍照搜题省时又省心！

更多“It would have been better to h…”相关的问题

第1题

Were it not for her help, I _____ in serious difficulty.

A.was

B.had been

C.would be

D.have been

点击查看答案

第2题

_____ for my illness I would have lent him a help

ing hand.

(A) Not being (B) Had it not been (C) Without being (D) Not having been

点击查看答案

第3题

If the weather had been good , the children （) out for a walk.

A.had gone

B.would go

C.could have gone

D.went

点击查看答案

第4题

I'll have to push the car to the side of the road because we （) if we leave it her

A.would be fined

B.will be fining

C.will be fined

D.will have been fined

点击查看答案

第5题

I would have gone to visit him in the hospital had it been at all possible, but I ______ f

ully occupied the whole of last week.

A．were

B．had been

C．have been

D．was

点击查看答案

第6题

"It would have been bad manners to make his guests feel foolish or uncomfortable." "Bad ma

nners" means ______.

A．ugly

B．dishonest

C．impolite

D．shameful

点击查看答案

第7题

But for his courage, the battle____.

A.was lost

B.would lose

C.lose

D.would have been lost

点击查看答案

第8题

If either of you had been able to hold ______ your anger, the fight would have been avoide

A．back

B．in

C．for

D．against

点击查看答案

第9题

______enough time and money, the researchers would have been able to discover more in this

field.

A．Giving

B．To give

C．Given

D．Being given

点击查看答案

第10题

Successful innovations have driven many older technologies to extinction and have resulted

in higher productivity, greater consumption of energy, increased demand for raw materials, accelerated flow of materials through the economy and increased quantities of metals and other substances in use each person. The history of industrial development abounds with examples.

In 1870, horses and mules were the prime source of power on U. S. farms. One horse or mule was required to support four human beings—a ratio that remained almost constant for many decades. At that time, had a national commission been asked to forecast the horse and the population for 1970, its answer probably would have depended on whether its consultants were of an economic or technological turn of mind. Had they been "economists" , they would probably have projected the 1970 horse or mule population to be more than 50 million. Had they been "technologists", they would have recognized that the power of steam had already been harnessed to industry and to land and ocean transport. They would have recognized further that it would be the prime source of power on the farm. It would have been difficult for them to avoid the conclusion that the horse and mule population would decline rapidly.

According to the passage, what supplied most of the power on U. S. farms in 170？

A．Animals.

B．Humans.

C．Engines.

D．Water.

点击查看答案

第11题

The travels of Marco Polo in the twelfth century would not have been so well known ____ for the book he Wrote while in jail.

A、it not have been

B、is not been

C、had it not been

D、has not been