题目内容
Part C
Directions: Answer questions 71-80 by referring to the following games.
Note: Answer each question by choosing A, B or C and mark it on ANSWER SHEET 1. Some choices may be required more than once.
A = Hydro power B = Nuclear power C = Solar power D = Wind power Which power(power' s)...
was developed to provide electricity for satellites at the beginning？ 71.______
can promote tourism development？ 72.______
may give off dangerous radioactive pollution into the air？ 73.______
may affect the downstream water quality and have an impact on plant life？ 74.______
stations can increase to full power very quickly？ 75.______
produces small amounts of waste？ 76.______
is a good method of supplying energy to remote areas？ 77.______
provides around 20% of the world's electricity？ 78.______
can be used to heat your water at home instead of so much gas or electricity？ 79.______
is not renewable？ 80.______
A
Hydro power
Introduction
We have used running water as an energy source for thousands of years, mainly to grind corn.
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, solar or wave power.
Water can be stored above the dam ready to cope with peaks in demand.
Hydro-electric power stations can increase to full power very quickly, unlike other power stations.
Disadvantages
The dams are very expensive to build.
Building a large dam will flood a very large area upstream, causing problems for animals that used to live there.
Finding a suitable site can be difficult—the impact on residents and the environment may be unacceptable.
Water quality and quantity downstream can be affected, which can have an impact on plant life.
Is it renewable？
Hydro-electric power is renewable.
The Sun provides the water by evaporation from the sea, and will keep on doing so.
B
Nuclear power
Introduction
Nuclear power is generated using Uranium, which is a metal mined in various parts of the world.
The first large-scale nuclear power station opened at Calder Hall in Cambria, England, in 1956.
Some military ships and submarines have nuclear power plants for engines.
How it works
Nuclear power stations work in pretty much the same way as fossil fuel-burning stations, except that a " chain reaction" inside a nuclear reactor makes the heat instead.
The reactor uses Uranium rods as fuel, and the heat is generated by nuclear fission. Neutrons smash into the nucleus
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听力原文： The human nose has given to the languages of the world many interest-ing expressions. Of course, this is not surprising. Without the nose, we could not breathe nor smell. It is a part of the face that gives a person special character. Cyrano de Bergerac said that a large nose showed a great man courageous , courteous, manly, and intellectual.
A famous woman poet wished that she had two noses to smell a rose! Blaise Pascal, a French philosopher, made an interesting comment about Cleopatra's nose. If it had been shorter, he said, it would have changed the whole face of the world!
Historically, man's nose has had a principal role in his imagination. Man has referred to the nose in many ways to express his emotions. Expressions concerning the nose refer to human weakness; anger, pride Jealousy and revenge.
In English there are a number of phrases about the nose. For example, to hold up one's nose expresses a basic human feeling—pride. People can hold up their noses at people, things, and places.
The phrase, to be led around by the nose, shows man's weakness. A person who is led around by the nose lets other people control him. On the other hand, a person who follows his nose lets his instinct guide him.
For the human emotion of rejection, the phrase to have one's nose put out of joint is very descriptive. The expression applies to persons who have been turned aside because of a rival. Their pride is hurt and they feel rejected. This expression is not new. It was used by Erasmus in 1542.
This is only a sampling of expressions in English dealing with the nose. There are a number of others. However, it should be as plain as the nose on your face that the nose is more than an organ for breathing and smelling!
What is this passage mainly about？
Why are horses used to catch the electric eels？
某工程项目的双代号网络计划，如下图所示，已知计划期与计算工期一致。
上述网络计划的计算工期Tc，为()。
针对事件1，根据《中华人民共和国建筑法》的有关规定，工程监理人员有权()。
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