We don't dare to eat these vegetables. They are seriously polluted by insecticides. (compound sentence)

Pearls are gathered by men known as pearl divers. Actually, these men do not dive. They are lowered by a rope to the bottom of the sea. Many tourists to Japan enjoy shopping for cultured pearls. Pearl gatherers work in pairs, with one remaining at the surface to help the other return from his dive. An experienced pearl diver can stay down about a minute and a half and can often make as many as thirty dives in one day, and they earn a lot of money from this.

Write a letter according to the following situation: You are going to apply for an undergraduate English literature program of a university. In the letter, tell them about your interest in the program, your qualifications and your career plan. The letter is addressed to the program director Mr. Rochester. Don't forget to tell him your phone number(555-5555) and your email address(liping@126.com). Please sign your name as Wang Fang. (150-200 words)

19. They may break into bank's electronic money transfer system and steal great amount of money.

20. They can steal data, information and in some rare cases, do nothing but browse.

21. But if they are hired by people with malicious intentions, things become serious.

22. Some hackers just play tricks such as hacking into a major corporation's voice mail system to make long distance calls.

23. Hackers are usually skillful in computer science, familiar with networks and above all, with sharp minds.

24. Statistics show that Internet-aided crime has become one of the most serious economic crimes in recent years.

25. Hacker is an individual who, via a modem or some other computer communication devices, circumvents computer security and breaks into computer system.

Read the following paragraph carefully and choose the best topic sentence from the four possible answers that follow the paragraph by writing A, B, C or D.

Topic Sentence:__________

My chief reason for choosing Bingston University is its wonderful work/study program in agriculture, my chosen field. The university requires all its students to gain practical experience by working on farms in the area while they are still going to school; I know that this would provide invaluable experience and prepare me to use the skills I have learned in the classroom. Second, Bingston hires only the finest teachers. Then, too, there is Bingston's deferred payment plan; this represents a great convenience to my parents. A final reason is the reasonable tuition.

A. Bingston University has excellent teachers.

B. Bingston University provides wonderful work/study program in agriculture.

C. There are several reasons why I decide to attend Bingston University.

D. The tuition of Bingston University is reasonable.

Read the following paragraph and underline the topic sentence.

Most people think that being a department store salesperson is not a difficult job, but from my experience I know that it takes time, effort, and patience to be successful. Once you have helped the customers, you have to ring up and bag the merchandise, then be sure to thank them. You also have to help with displaying the merchandise attractively, with putting out new lines, with taking inventory, with keeping stock organized, and with keeping the counter area clean and tidy. You have to know what is in stock and what needs to be put out. Then, too, a salesperson must be courteous when a customer is unreasonable and demanding. As you can see, a salesperson does more than just stand around and ring up others.

Opportunities only come to those. Who are always ready for changes.

Choose the best topic sentence from the group below by writing A, B, C or D.

A. The purposes of sleep are to rest our bodies and minds.

B. Passive sleep helps us to rest our bodies while active sleep helps us to rest our minds.

C. In passive sleep, the heart slows down and the body processes become very slow, leaving the body at rest.

D. In active sleep, the brain temperature rises and the brain becomes very active and then dreaming occurs, helping us to rest our minds.

Answer:__________

I prefer dancing to swim when it comes to entertainment.

The objectives include reducing the greenhouse gases, increasing greenery coverage and to impose heavier taxes on the enterprises which release untreated waste to rivers.

Before the widespread of the Internet. There was no universal way to download new reading materials.