Unit 1
A White Heron
Comprehension Exercises
Decide on the best choice to answer or complete each of the following.
A 2.
B 3.
C 4.
D 5. A
Give brief answers to the following questions.
1. Sylvia was living in the woods with her grandmother.
2. He was a scientist who collected birds. He was looking for a heron.
3. It was love.
4. Because Sylvia could show the man where the heron was.
5. Yes, she knew the forest well.
6. The heron was living happily in the forest and was as much part of
nature as she herself. They had together watched the sea and the morning. She could not tell its secret and give its life away.
The Nutrients in Food
Comprehension Exercises
Decide on the best choice to answer or complete each of the following.
A 2.
B 3. A 4. A 5. C
Give brief answers to the following questions.
Because they provide the body with heat and energy.
Milk and hard cheese.
Proteins are necessary for life. They can build and repair body tissues. They are an important part of muscles, organs, skin and hair.
Some nutrients provide fuel for energy, some build body tissues and some help control different processes of the body.
If a person does not have enough iron, the person will get a disease called anemia. Creativity Will Dominate Our Time
Comprehension Exercises
Decide on the best choice to answer or complete each of the following.
D 2. C 3. C 4. C 4. C
2 Put the following into Chinese.
1. 历史上周期性地出现一些大的转折时期，在这些转折时期“工作”的含义发生了变化。
2. 现在我们正处在一个变革的边缘，这个变革将是最伟大的，因为古老意义上的工作将会彻底消失。
3. 事实上，21世纪将因为它所有的进步，成为人类历史上最伟大的开创时期之一，因为人们将在全新的条件下，以全新的方式做全新的工作，冒着全新的风险去获得全新的胜利。Unit Two
I Have a Dream
Comprehension Exercises
Decide on the best choice to answer or complete each of the following.
1. A
2. B
3. B
4. B
5. B
2. Put the following into Chinese.
1. 然而一百年后的今天，我们必须正视黑人还没有得到自由这一悲惨的事实。一百年后的今天，在种族隔离的镣铐和种族歧视的枷锁下，黑人的生活仍然很悲惨。……一百年后的今天，黑人仍然在美国社会的角落里受苦，并且发现自己是故土家园中的流亡者。
2. 我梦想有一天，这个国家会站立起来，真正实现其信条：“我们认为这些真理是不言而喻的：人人生而平等。”
3. 我梦想有一天，幽谷上升，高山下降，坎坷曲折之路成坦途，圣光披露，满照人间。
4. 有了这个信念，我们将能从绝望之山采凿出一块希望之石。有了这个信念，我们将能把这个国家的刺耳争吵之声，变成一支洋溢手足之情的优美交响曲。
Books
Comprehension Exercises
Decide whether the following statements are true or false.
1. T
2. F
3. T
4. T
2. Put the following into Chinese.
1. 世上或许没有别的东西像书籍那样有这种力量使穷人摆脱贫困，使不幸者脱离悲伤，使肩负重担者忘掉负担，使病人忘掉痛苦，使伤心人忘掉忧伤，使受压迫的人忘掉屈辱。
2. 确实，从朋友那里我们可以获得许多有关自己的令人愉快的意见，从敌人方面得知自己的许多缺陷，从世界各个方面了解到自己的特性；但在书里我们会平静而公正地发现自己的大部分情况，我们的优点、弱点、博大、局限、观点、爱好、融洽和不协调，以及诗意或平淡的品质。
Dreamers: From Jail to Wall Street
Comprehension Exercises
Decide whether the following statements are true or false.
1. F
2. T
3. T
4. F
5. F
6. F
7. F
8. T
9. F 10. F
2. Put the following into Chinese.
1. 克里斯·加德纳的生活比好莱坞的电影更具传奇色彩。
2. 在十个月毫无结果的寻找之后，加德纳终于找到了一个愿意给他机会的人。
3. 一天，加德纳和两岁半的儿子在穿过北奥克兰时注意到一座荒废的房子，墙上爬满了蔷薇，有一个人看护它。
4. 加德纳并不认为自己的故事是一个乞丐变富翁的童话。
5. 我的生活很容易就会因家庭暴力及无家可归而走上歧途，但是我决意不让自己因此而堕落。
Unit Three
Home Computer Security
Comprehension Exercises
1. Decide on the best choice to answer or complete each of the following.
1. C
2. D
3. B
4. D
5. A
2. Give brief answers to the following questions.
1. There are mainly two purposes. One is to steal money–related information; the other is to use computer’s resources to attack other comp uters.
2. By sending emails with viruses or taking advantage of flaws or weaknesses in the computer’s programs.
The Financial Crises
Comprehension Exercises
Decide on the best choice to answer or complete each of the following.
