Their argument ended when she slammed the door and left without a word.
The guests the dinner party were slightly surprised at the commanding tone of the American.
Johnny has outgrown the fear of staying at home alone.
4.当全部乘客都向出口处走去时，他却独自留在座位上，好像不愿意离开这架飞机似的。While all the other passengers made for the exit , the alone remained his seat as if unwilling to leave the plane.
The letter is to be handed to Dr .Wilson himself.
While she felt like joining in the argument .Nancy was too shy to open her mouth.
What do you think is the likeliest time to find him at home?
The hunter’s face lie up with excitement as soon as he saw a fox emerge from among the bushes and run in the direction for the trap he had laid.
It was suggested at the meeting that a committee of 11 be appointed to make a new constitution. 2．这些青年科学家通过现场观察，获得了研究工作所需的第一手资料
By making on-the-spot observation the young scientist obtained first-hand information they needed in their research work.
It is very likely that he will be rejected by the army because of his bad eyesight.
The committee members have conflicting opinions as to the best location of the new airport.
Henry’s works of art are superior in many respects to those of his brother’s.
The steady rise in the quality of our products owes much to the improvement of our equipment. 7. 吉姆本想按照自己的判断行事，但他没有这样做，因为作为军人他得服从命令
Jim would have preferred to act on his own judgment but he didn’t because as a soldier he had to obey the order.
Were it left to me to decide whether we should have a city without bikes or one without cars. I should not hesitate a moment to prefer the latter.
She got a post as a cashier at a local bank. But she was soon fired because she proved to be
It is obviously/clearly his young assistant who is running the book store.
No sooner had the proposal been announced at the meeting than she got to her feet to protest.
Bill has applied to Harvard University for a teaching assistantship but his chances of getting it are slim.
Being short of funds they are trying to attract foreign capital.
The room smells of stale air. It must have been vacant for a long time.
As far as hobbies are concerned Jane and her sister have little in common.
It is self-evident that the education of the young is vital to the future of a country.
The little girl ran so fast that she was thrown off balance and fell over/down.
I was impressed by his devotion to his research but I did not have the slightest interest in his profound theories.
Be sure not to say anything capable of being misunderstood.
I was so bewildered by their conflicting advice that I did not know how to act.
5. 起初，这个复杂问题使他们感到灰心丧气，但经过仔细思考他们终于研究出了解决办法。At first this complicated problem frustrated them but after thinking it over carefully they finally worked out a solution.
The head of the sports delegation beamed with delight when a young pioneer presented him with a bunch of flowers.
I really don’t see why our English teacher should single out our monitor for praise si nce we have all done quite well this term.
I believe in the theory that the higher animals developed from the lower ones.
If the rich countries spent more money on green industries, instead of on building up military machines and nuclear weapons, many of today's widespread pollution problems would gradually disappear.
The burning of coal not only consumes the oxygen in the house but also gives out poisonous gases.
Apparently, finding alternative energy sources is essential to the steady development of our economy.
4. 太阳能电池（solar cell）能吸收阳光并把它变成电。
Solar cells can absorb sunlight and convert it into electricity.
If the temperature on the Earth continues to go up from year to year, the polar ice caps will begin to melt and, in all likelihood, half of the buildings in coastal cities will disappear beneath splashing sea waves.
6. 因为这些生物很小并且常常躲在叶子茂密的植物下面，肉眼并不都可以看见。Because these creatures are small and tend to hide beneath leafy plants, they are not always visible to the naked eye.
As a result of exposure to atomic radiation, he finally collapsed at work.
There is distinct evidence of the connection between heavy pressure of work and some disorders of the body.