题目内容

The Internet is really ______ to us. We can easily find the information we need.
A．safeB．hardC．boring D．useful
D
形容词辨析。safe意为“安全的”，hard意为“难的”，boring意为“无聊的”，useful意为“有用的”。由句意“因特网真的对我们有用，我们可以很容易地找到我们所需要的信息”可知，只有useful符合句意。故选D。
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