For a start， we can， freely， search desired information at any moment . Little by little， our knowledge will be well enriched， and our horizons will be greatly broadened. Additionally， we can get huge recreations online by chatting， playing games， or delivering email.

For a start替换To begin with;

We can， freely， search用了插入语的写作手法;

our knowledge will be well enriched， and our horizons will be greatly broadened.用了非常精彩的被动;

Additionally替换In addition / Besides;

Deliver替换send.

There is no denying that ， however， computers can function in the disservice of human beings， in a way， especially the growing violence ，***， porn pictures， AV-films emerging on the screen ， which leads quiet a few net citizens to copying.

There is no denying that ， however， computers can function in the disservice of human beings，这个句子有三个精彩之处，首先There is no denying that这个句型;其次however作为插入语;再次，function in the disservice of替换do harm to.

Emerging替换appearing ( fading替换disappearing );

Net citizen网民，属于精彩用词。(直接用netizen更好)

As a classic proverb goes that no garden has no weeds. Computers do play a positive role in the development of people' lives， despite a slice of unfavorable impacts. We should ，therefore， take advantage of the fruits and avoid the opposite facet.

No garden has no weeds替换Every coin has two sides;

Computers do play，使用do表示强调;

Positive替换important / good等;

A slice of替换a part of;

Unfavorable替换bad;

Impacts替换effects / influences;

We should， therefore， take advantage of…使用插入语;

Fruits (而且fruits用的非常形象，merits/ virtues)替换advantage ( defects替换disadvantage );

Facet替换aspect.

以下是45个最经典的替换词，各位同学可以参考一下：

1.individuals，characters， folks替换people ，persons.

2.positive， favorable， rosy (美好的)，promising (有希望的)，perfect， pleasurable ， excellent， outstanding， superior替换good.

3.dreadful， unfavorable， poor， adverse， ill (有害的)替换bad(如果bad做表语，可以有be less impressive替换。)

eg.An army of college students indulge themselves in playing games， enjoying romance with girls/boys or killing time passively in their dorms. When it approaches to graduation ，as a result， they find their academic records are less impressive.

4.an army of， an ocean of， a sea of， a multitude of ，a host of， many， if not most替换many.

注：用many， if not most一定要小心，many后一定要有词。

Eg. Many individuals， if not most， harbor the idea that…。同理用most， if not all ，替换most.

5.a slice of， quiet a few替换some.

6.harbor the idea that， take the attitude that， hold the view that， it is widely shared that， it is universally acknowledged that替换think (因为是书面语，所以要加that)。

7.affair ，business ，matter替换thing.