inventions, and to make revolution.

5． these new types of automobiles are characteristic of fast speed, high efficiency and flexible operation.

6． with point you could make a line; with lines, planes; with planes, solids. 练习四：p39 一、

1. 太平洋气势磅礴，滚滚波涛拍打着五洲海岸。

2．在那里，由于地心引力的剧烈运动，一道道山脉，一座座火山升出水面。

3．白日明媚温暖，夜晚清澈凉爽。 4．海洋里鱼鳖成群，张网可得。

5．邻近部落之间有时会爆发残酷的血战。

6．上个世纪那次向西扩张，曾使全国各地区受益，而今天向南部和西部的迁徙则是以牺牲其他地区的利益为代价的。 二、

1．the mastery of language is not easy and requires painstaking efforts.

2. the adoption of this new device will greatly cut down the percentage of defective products.

3. thanks to the chinese people’s uelenting and heroic struggle during the last hundred years,

imperialism has not been able to subjugate china, nor will it ever be able to do so.

4. china’s successful explosion of its first atom bomb caused tremendous repercussion throughout the world.

5．exceptional excellence in painting horses gained him an overnight fame.

6．only a better understanding of this nation can help you get accustomed to and integrated with it. 练习五：p43 一、

1． 我才不至于蠢到相信你说的金钱万能呢。

2． 非洲将西方帝国主义踢出国门并不是为了请进其他新的主子。 3． 双方都认为可以不失体面地接受这个和平方案。

4． 再漂亮的东西，只要仔细观察，也会发现某种缺陷。 5． 燃料中的所有化学能并非都可转为热能。

6． 当代社会崇尚汽车的现象其部分原因可以解释为：一个人有了汽车，便可以自由行动， 不依赖他人。 二、

1． slips are scarcely avoidable when you’re new to your work. 2． the meetings were marked by such an absence of lively discussions that at times they were almost on the point of breaking up.

3． his absence of mind during the driving nearly caused an accident.

4． that city and the areas around it are an ice-free port and a nuclear-weapon free zone.

5． traveling alone, she was sitting still in the corner of the carriage.

6． his lack of consideration for the feelings of others angered everyone present. 练习六：p49 一、

1．来宾对这种破格礼遇感到高兴，但并没有受宠若惊。

2．我说的不是空中楼阁——叫大家望梅止渴。不，我说的是我们大家都有份的事。

3．难道你不知道灾难即将来临吗？ 4．他的口音使他露出马脚。

5．你胡说！只有轻信的人才会相信你说的话。 6．我们在此看到的所有人都是些眼高手低之辈。 二、

1. achieving this target will be a piece of cake. (or: will be a breeze.)

2. when shepherds quarrel, the wolf has a winning game. 3. otherwise, standing by with folded arms and waiting for gains without pains will prove to be nothing but long-term noesistance. （a.m.condron译）

4．one is the moon reflected in the water, while the other but a flower in the mirror.

5．meanwhile, the eastern area should increase its support to the central and western areas in

various ways, such as joint development, cooperation for mutual benefit and coordinated assistance adjusted to the needs of the areas.

6．jiangsu province is low and flat, with abundant water resources and fertile land. 练习七：p53 一、 二、

for centuries, explorers have risked their lives venturing into the unknown for reasons that were to varying degrees

economic and nationalistic. columbus went west to look for better trade routes to the orient and to promote the greater glory of spain. lewis and clark journeyed into the american wilderness to find out what the u.s. had acquired when it purchased louisiana, and the appolo astronauts rocketed to the moon in a dramatic show of technological muscle during the cold war.

although their missions blended commercial and political-military imperatives, the explorers involved all accomplished some significant science discovery simply by going where no scientists had gone before. 第二章第三节 思考题 （略） 练习一（p59）

1. 很多青少年不知道教育的意义。

2. 为使物体克服惯性而运动，就需要一个力。 3. 那时候我们无忧无虑。

4. 她星期一来的，那天我正忙着做实验。 5. 他刚刚睡下，门铃就响了。

6. 如果他12点前不来，我们就不等他了。 7. 风刮得那么大，我们简直寸步难行。

8. 我们于1959年离开了中国。此后，中国连续三年遭到自然灾害。当我们读到这方面的消息时，心里颇为不安。

9. 每时每刻，能量都在由一种形式变为另一种形式。 10. 金字塔高耸入云、庄严肃穆。

练习二p62

1. 有人看见他在那儿打乒乓球。 2. 门是教授本人打开的。

3. 在下次会上可以讨论这个问题。（或：这个问题可以在下次会议上讨论。）

4. 有人给了汤姆一张小额支票。

5. 大家都知道所有物体都具有重量。 6. 必须立即终止这种讨厌的噪音。

7. 我们随时都会被出入机场的敌机发现。 8. 这个村子里住着大约一万两千名农民。 9. 这种行为将会为一切有良知的人所蔑视。 10. 到大战结束时，这个组织拯救了五千人。 练习三p65

1. 叫他干什么他都愿意，只要不再过以往那种日子就行。 2. 世界上没有任何东西比光传播得快。 3. 同意我意见的同学不多。

4. 驾车时越小心越好。（或译作：驾车时再小心也不为过。） 5. 直到发明高空火箭之后，直接研究上层大气才成为可能。 6. 外语学院的毕业生并非人人都将胜任口译工作。

7. 当代社会崇尚汽车的现象其部分原因可以解释为：一个人有了汽车，便可以自由行动，不依赖他人。

8. 在这个方程式中，损耗值小到可以忽略不计。

9. 远洋船只要装上雷达后，就不会跟其它船只相撞。

10. 要不是经过仔细检查，蓝图中许多错误不可能发现。 练习四p68

1. 中国有丰富的自然资源。

2. 食物主要有三种：碳水化合物，脂肪和蛋白质。 3. 厨房里有面粉吗？

4. 但他的事现在已经搞得满城风雨，人人皆知了。

5. 这一带我不熟悉，天黑以后继续进行调查，取得结果的希望不大。