增加：在缺词处加一个漏字符号（/\），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1）每处错误及其修改均仅限一词；

      2）只允许修改10处，多者（从第11处起）不计分。

    In my view, the Internet is helpful. It is known to all, the Internet is playing important part in our daily life. On the Internet, we can read news home and abroad and got as much informations as we can. We can also attend to the net school and read many books. We can even do shopping online. Besides, your ability to operate the computer can be improved great. So we should not be addicted to the Internet, or we'll get our life and study destroying. In addition, we should keep off the harm websites. Anyhow, this doesn't prevent the Internet from becoming our friend.

①____ Na₂S₂O₃+____HCl→____ NaCl+____S+____SO₂↑+

____H₂O

②____ Zn+____H⁺+____NO₃^﹣→____ Zn²⁺+____NH₄⁺+____H₂O．

①草芽尖尖，他对____说：“我____春____。”

②天地分____，____照今古。

③一____乌鸦____渴____，到处找____喝。

④百____竿____，更进____步。