将英文短句译成汉语：Be of good character. A．此次上拍标的不错

As is well－known，the brain performs a very important ________，which controls the nerve system of the body.

A．motion

B．action

C．function

D．fact

Every time you turn on the television or take a ride in a car ,you could be adding to a problem called acid rain(酸雨). In this article, you’ll learn how acid is created, and how it affects us, and more importantly, what we all can do to prevent it.

How is acid rain created?

When people use fuels(燃料), such as coal and gasoline, poisonous gases are give off. When these gases mix with rain, acid rain forms. Many power stations burn fuels in order to creat the electricity(电) that we use in our homes and offices every day. Cars and trucks also send these gases into the air when they burn gasoline .When rain mixes with these gases, harmful things called acids form. This is acid rain.

How does acid rain affect us?

Acid rain damages(毁坏)everything that it touches. It poisons our rivers, ponds, lakes, and oceans along with all the life in them. It pollutes our soil and crops, harms trees, and can even kill fish and plants. Acid rain also eats away at buildings.

How can we prevent acid rain?

We need to cut down on the pollution that gets into our air. Turn off lights, television, and other electrical appliances if you are not using them, Walk or take a bike whenever possible. If you are travelling a long distance, take a bus or train to save fuel.

As research shows, acid rain harms our environment. But people everywhere can take small steps now to help protect our environment for future generations.

小题1:When power stations burn fuel,_______.

A．acid rain form

B．air pollution is caused

C．noise pollution is caused

D．acid rain gets heavier小题2: According to the article, acid rain affects us _______.

A．suddenly

B．slightly

C．seriously

D．immediately小题3: What advice does the article give us?

A．Go to school on foot or by bike if we can.

B．Go to bed earlier in order to use less electricity.

C．Travel by bus to prevent acid rain.

D．Turn off the television on rainy days.小题4: What is the best title of the article?

A．Preventing Acid Rain

B．Forming of Acid Rain

C．Acid rain, Heavy Rain

D．Acid Rain, Killer Rain

充填引起义齿咬合增高的原因是（）

A.充填过早

B.充填量过多

C.充填量过少

D.单体量过多

E.热处理过快

45岁男性，心前区持续性疼痛1周，查体：重病容，体温38.8℃，血压100/70mmHg，颈静脉怒张，心界向两侧扩大，心率120次/分，心音弱，心律整，无杂音，心电图I、Ⅱ、Ⅲ、aVF、aVL、V1至V5导联，ST段弓背向下抬高，T波倒置，最可能的诊断

A．变异型心绞痛

B．急性下壁兼广泛前壁心肌梗死

C．中间综合征

D．急性肺动脉栓塞

E．急性心包炎

允许速度大于120km/h的线路其尖轨尖端如有轨距加宽，则按不大于（）的递减率递减至基本轨接头。

A.1‰

B.0.7‰

C.0.9‰

D.0.8‰