If you _____ stop smoking , you can only expect to have a bad cough .

A. won't       B. would not      C. do not       D. can not

The Internet has led to a huge increase in credit-card (信用卡) fraud. Your card information could even be for sale in an illegal web site(非法网站).

Web sites offering cheap goods and services should be regarded with care.

On-line shoppers who enter their credit-card information may never receive the goods they thought they bought. The thieves then go shopping with your card number — or sell the information over the Internet. Computers hackers(黑客) have broken down security(安全) systems, raising questions about the safety of cardholder information. Several months ago, 25, 000 customers of CD Universe, an on-line music retailer(零售商), were not lucky. Their names, addresses and credit-card numbers were posted on a Web site after the retailer refused to pay US $157, 828 to get back the information.

Credit-card firms are now fighting against on-line fraud. Mastercard is working on plans for Web — only credit card, with a lower credit limit. The card could be used only for shopping on-line. However, there are a few simple steps you can take to keep from being cheated(欺骗).

Ask about your credit-card firm’s on-line rules: Under British law, cardholders have to pay the first US $78 of any fraudulent(欺骗性的) spending.

And shop only at secure sites; Send your credit-card information only if the Web site offers advanced secure system.

If the security is in place, a letter will appear in the bottom right-hand corner of your screen. The Website address may also start https: //—the extra “s” stands for secure. If in doubt, give your credit-card information over the telephone.

Keep your password(密码) safe: Most on-line sites require a user name and password before placing an order. Treat your passwords with care.

What do most people worry about the Internet according to this passage?

A. A lot of stolen credit-cards were sold on the Internet.   B. Fraud on the Internet.                  

C. Many Web sites are destroyed.    D. Many illegal Web sites are on the Internet.

What is the meaning of “fraud”?

A. Cheating.          B. Sale.         C. Payment.          D. Safety.

How can the thieves get the information of the credit card?

A. The customers give them the information.

B. The thieves steal the information from Web sites.

C. The customers sell the information to them.

D. The thieves buy the information from credit-card firms.

How many pieces of advice does the passage give to you?

A. Four.         B. Three.        C. Five.          D. Six.

You are shopping on the site: http: // www. Shopping. com, and you want to buy a TV set, what does this article suggest to do?

A. Order the TV set at once.      B. Do not buy the TV set on this site.

C. E-mail the site your credit-card information.

D. Tell the site your password and buy the TV set for you.

There are two types of people in the world. Although they have equal degree of health and wealth and other comforts of life, one becomes happy and the other becomes unhappy. This arises from the different ways in which they consider things, persons, events and the resulting effects upon their minds.

People who are to be happy fix their attention on the convenience of things: the pleasant parts of conversation, the well prepared dishes, the goodness of the wine and the fine weather. They enjoy all the cheerful things. Those who are to be unhappy think and speak only of the opposite things. Therefore, they are continually dissatisfied. By their remarks, they sour the pleasure of society, offend(hurt) many people, and make themselves disagreeable everywhere. If this turn of mind was founded in nature, such unhappy persons would be the more to be pitied. The intention of criticizing(批评) and being disliked is perhaps taken up by imitation(模仿). It grows into a habit, unknown to its possessors. The habit may be strong, but it may be cured when those who have it realize its bad effects on their interests and tastes. I hope this little warning may be of service to them, and help them change this habit.

Although in fact it is chiefly an act of the imagination, it has serious results in life since it brings on deep sorrow and bad luck. Those people offend many others; nobody loves them, and no one treats them with more than the most common politeness and respect. This frequently puts them in bad temper and draws them into arguments. If they aim at getting some advantages in social position or fortune, nobody wishes them success. Nor will anyone start a step or speak a word to favor their hopes. If they bring on themselves public objections, no one will defend or excuse them, and many will join to criticize their wrongdoings. These should change this bad habit and be pleased with what is pleasing, without worrying needlessly about themselves and others. If they do not, it will be good for others to avoid any contact(接触) with them. Otherwise, it can be disagreeable and sometimes very inconvenient, especially when one becomes mixed up in their quarrels.

46. People who are unhappy _______.

A. always consider things differently from others

       B. usually are affected by the results of certain things

        C. usually misunderstand what others think or say

D. always discover the unpleasant side of certain things

47. The phrase “sour the pleasure of society” most nearly means “_______”.

       A. have a good taste with social life            B. make others unhappy

       C. tend so scold others openly                            D. enjoy the pleasure of life

48. We can conclude from the passage that _______.

 A. we should pity all such unhappy people

      B. such unhappy people are dangerous to social life

      C. people can get rid of the habit of unhappiness

      D. unhappy people can not understand happy persons

 49. If such unhappy persons insist on keeping the habit, the author suggests that people should _______.

      A. prevent any communication with them

      B. show no respect and politeness to them

      C. persuade them to recognize the bad effects

      D. quarrel with them until they realize the mistakes

 50. In this passage, the writer mainly _______.

 A. describes two types of people

 B. laughs at the unhappy people

 C. suggests the unhappy people should get rid of the habits of unhappiness

D. tells people how to be happy in life

New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.

A. is used; not to pollute       B. has used; is not polluted

C. is being used; do not pollute     D. has been used; to pollute

Researchers have announced the result of two studies on the health effects of the drug aspirin. One study shows aspirin can sharply reduce the chance that a healthy, older man will suffer from a heart attack.

The study offered two new results from earlier findings. It said taking one aspirin pill every other day helped only healthy men over the age of fifty. It also said aspirin gave the greatest protection against heart attacks to men with low blood cholesterol (胆固醇) levels.

Earlier in the United States began a major aspirin study in the early 1980s. It included 22,000 healthy men doctors. All were between the ages of forty and eighty-four. More than 11,000 of the doctors took a harmless pill that contained no drug. The men did not know which kind of pill they were taking.

The doctors who took aspirin suffered 44% fewer heart attacks than those taking the harmless pill. 139 men who took aspirin suffered from heart attacks. Ten of them died. 239 men who did not take aspirin suffered from heart attacks. Twenty-six of them died.

The researchers said the doctors’ study provides clear proof that taking aspirin can prevent a first heart attack in healthy, older men. They said, however, the result does not mean every man over the age of fifty should take aspirin. They said aspirin couldn’t help men who do not eat healthy foods, who smoke cigarettes and who are fat. The researchers said men who think they would be helped by taking aspirin should talk with their doctors first.

64. The passage tells us that the new use of aspirin is ______.

A.  to treat heart disease

B. to reduce pain while one suffers from a heart attack

C. to help old people to be more healthy

D. to reduce the chance of a heart attack in old men

65. Aspirin can help those who ______.

A.  work as doctors                                    B. are under 40 years old

C. are fat and smoke cigarettes      D. are older and healthy

66. At last the researchers advised us to take aspirin ______.

A. with care                                B. as much as we like

C. every day                               D. only considering the age

67. From the experiment we can conclude that about _____ of people who suffered from heart attacks without aspirin died.

A. 7%                        B. 11%                   C. 19%               D. 44%