Directions: For each blank in the fllowing passage, there are four choices marked A,B,C theD. Choose the one that is most suitable and mark your answer by blackening the corresponding letter on the Answer Sheet.

　　In our online life, we need to use passwords frequently.

　　We use passwords 21 e-mail, gaming sites, social networking sites, and other shopping sites.22, the passwords most people use are not very 23 and can easily be''broken'by others. In fact, the most comonly used passwords are so simple that it requires very 24effort to figure them out. Can you guess 25 the most commonly used passwords are? They are: Names ofbaseball teams, bith dates of a farmily 26 , the year of a special sports event, the random numbers like 156468, 27the name of a friend, pet, favorite TV star, or band. There are prograrms 28 to break into people's online accounts. These programs are 29 of trying every word in the English dictionary and the dictionaries 30 many foreign languages, in their effort to break into an account.31 can even search words backward. Some will try 32 words or words that are followed by numbers,33 school222. These programs can test millions of passwords in a few minutes. So, you are advised to be careful about 34 passwords so that they will be hard to break. You are also advised not to make them 35 hard to remember. Meanwhile, you need to change them once in a while.

　　21.A. to B. with C. by D. for

　　22.A. However B. Therefore C. Moreover D. Besides

　　23.A. natural B. safe C. strange D. clear

　　24.A. minor B. small C. lttle D. tiny

　　25.A. what B. who C. where D. which

　　26.A. figure B. member C. creature D. character

　　27.A. as close as B. as good as C. as dear as D. as well as

　　28.A. formed B. shapedC. composed D. designed

　　29.A. typical B. capable C. sure D. true

　　30.A. from B. with C. of D. for

　　31.A. They B. It C. That D. Those

　　32.A. added B. gathered C. combined D. collected

　　33.A. such as B. except for C. as for D. as of

　　34.A. locating B. searching C. choosing D. tracking

　　35.A. rather B. too C. far D. enough

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