A. how the flood swept the coastal plain

　　B. the flood in fall

　　C why the terrible flood took place

　　D. a rescue attempt

　　42. According to the text, which of the following maps may be correct?

　　（ KN=Khemis Nagua,

　　C=Casablanca

　　S= Safi）

　　C

　　How to Beat On-line Credit-card Thieves

　　The Internet has led to a huge increase in credit-card fraud. Your card information could even be for sale in an illegal web site.

　　Web sites offering cheap 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 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, and on-line music retailer（批发商）, were not lucky. Their name, 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. Master-card 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.

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