题目内容
The Internet is really ________ to us. We can get a lot of things from it.
A. useful B. difficult C. different D. safe
A
【解析】
试题分析：句意：因特网对我们确实有用，我们可以通过它获得很多东西。所给选项中A是有用的，B是困难的，C是不同的，D是安全的，根据题意此题选A。
考点：考查形容词
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