题目内容
1．It's not always safe to pay over the Internet， you should be careful．（ ）| A． | so | B． | after | C． | because | D． | as soon as |
分析 通过互联网支付并不总是安全的，因此你应该小心．
解答 答案：A．考查连词辨析．句意：通过互联网支付并不总是安全的，因此你应该小心．so因此，所以；after 在…之后；because因为；as soon as一…就…．根据题干It's not always safe to pay over the Internet，通过互联网支付并不总是安全的，可知应说因此你应该小心．故选A．
点评 理解各个选项的含义，根据上下文的语境进行作答
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