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.
A．ActuallyB．GenerallyC．SurprisinglyD．Unfortunately
D
考查副詞辨析。A“實際上”；B“一般地”；C“令人驚訝地”；D“不幸地”。句意“因特網(wǎng)逐漸在學(xué)校和家里都能使用。不幸的是，許多父母和老師有時不會像我們應(yīng)該做到的那樣，提醒孩子互聯(lián)網(wǎng)的威脅�！惫蔬xD。
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