更多"It is no use ______ over the mistak"的相关试题:
[单项选择]You mustn’t be too proud of yourself()you have made much progress.
A. even if
B. because
C. as
D. since
[单项选择]You have heard of Webster Toys. Webster’s have made good, safe, interesting toys for more than a hundred years. Now, we sell them, and children play with them, in countries from New Zealand to Norway, and from Japan to Brazil(巴西). We are looking for someone to sell our toys in the Far East. He (or she) will be between the ages of thirty and forty. He will already have some years of selling in world markets behind him. He will speak good English, and at least one other language of the Far east.
The person we are looking for will live in Singapore, and work in our office there, but he will travel for up to six months in any one year. He will know the Far East quite well already. He will know how to sell in old markets, and where to find new ones. He will understand money, and make more than ever before, for himself, and for Webster Toys.
Webster’s want someone who can stand on his own feet. If you think you are the person we are looking for, write to Mr. J. Sloman at our Head O
A. only in countries a long way from each other
B. in countries all over the world
C. in only four countries of the world
D. only in New Zealand, Norway, Japan and Brazil
[填空题]If you()(follow) my advice, you shouldn’t have made such a serious mistake.
[填空题]A
Hydro power
Introduction
We have used running water as an energy source for thousands of years, mainly to grind com.
The first house in the world to be lit by hydroelectricity was Cragside House, in Northumberland, England, in 1878. In 1882 on the Fox River, in the USA, hydroelectricity produced enough power to light two paper mills and a house.
Nowadays there are many hydro-electric power stations, providing around 20% of the world’s electricity. The name comes from“hydro”, the Greek word for water.
How it works
A dam is built to trap water, usually in a valley where there is an existing lake.
Water is allowed to flow through tunnels in the dam, to turn turbines and thus drive generators.
Advantages
Once the dam is built, the energy is virtually free.
No waste or pollution produced.
Much more reliable than wind, so