客户必须到柜台开通手机交易码服务，不能在网银中自助开通。（）

现在，许多中学生做作业时经常上网搜索答案，《21世纪报》就此话题展开征文比赛，请你根据以下表格内容写一篇英语文章，向报社投稿。

1. Reasons	pressure; homework…
2. Advantages	save time; solve problems…
3. Disadvantages	lose the ability; …
4. Opinions and suggestions	…

注意：1.内容应包括表格中列出的要点；可适当增加细节，以使行文连贯；
2.词数100左右；
3.开头已经给出，不计入总词数。
Nowadays, many students often go on line to search for answers to their homework. _____________________
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