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.

如图所示，甲图为显微镜下所观察到的图象。在显微镜下，若将甲图转换成乙图，载玻片的移动方向和视野的明暗变化分别是（ ）

G 为肉桂酸乙酯，是一种天然香料，自然界产量较低，利用A 可合成肉桂酸乙酯，其路线如下：

已知：①A 属于单取代芳香烃，其相对分子质量为104．

② ③肉桂酸乙酯的结构简式为

④I、H 均为高分子化合物．

按要求回答下列问题：