根据句意及汉语提示填空1. Driving carelessly __________(引起) accidents.
2. It's our __________(职责) to save our earth.
3. They think walking is a good way to relax __________(他们自己).
4. Germs can get into the human body __________(通过) the skin and the mouth.
5. Xu Xiao taught himself on the __________(互联网).
1. causes 2. duty 3. themselves 4. through 5. Internet
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根据最新人教版版和牛津版的初中英语教材的词汇量，一个水平较高的初中毕业生的词汇量应在2400左右。初中的单词和词组词汇量要求数量会不断增长。
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