问题描述：
The Internet is increasingly accessible at school and at home. _____many parents and teachers are sometimes not as prepared as we should be to warn children about Internet threats.
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考点提示：副词,副词的比较级,疑问副词,连接副词
最佳答案： | D |
| 考查副词辨析。A“实际上”；B“一般地”；C“令人惊讶地”；D“不幸地”。句意“因特网逐渐在学校和家里都能使用。不幸的是，许多父母和老师有时不会像我们应该做到的那样，提醒孩子互联网的威胁。”故选D。 |
