英语

　　1. serious computer hackers can access your personal files and destroy or ( ) them.

　　a. allude

　　b. alter

　　c. appreciate

　　d. appraise

　　【答案】b。厉害的电脑黑客可以进入个人文件并且破坏或改变它们。a选项，暗指;b选项，变更;c选项，感激;d选项，评价评估。所以答案选b项。

　　2. because his partner had to go to sydney, mr. zazueta had to finish work on the adverting campaign on ( ).

　　a. his own

　　b. himself

　　c. alone

　　d. solo

　　【答案】a。on one’s own表示独立地，主动地。由于他的伙伴去了悉尼，zazueta先生不得不独立地完成广告宣传工作。固定搭配，选择a选项。

　　3. american travelers abroad have discovered that they can buy more foreign ( ) with their dollar.

　　a. currented

　　b. currently

　　c. currency

　　d. current

　　【答案】c。foreign currency外币。在国外地美国游客发现他们能用美元购买外币。固定搭配，选择c。

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