1．[教材原句]It has not only given us important information about prehistoric Asian societies, but also has provided amazing evidence about the process of evolution.

　　它不仅为我们提供了史前亚洲社会的重要信息，而且为我们提供了关于(人类)进化历程的惊人证据。

　　[句型点拨]not only ... but also ..."不但......而且......"。

　　[佳句赏析]我的老师不仅提议我参加英语比赛，而且还给了我一些建议。

　　My teacher not only recommended that I take part in the Spoken English contest but also gave me some advice.

　　2．[教材原句]Some areas are almost completely covered in weeds, causing serious damage.

　　有些地方几乎全部被杂草覆盖，造成严重破坏。

　　[句型点拨]现在分词短语作结果状语。

　　[佳句赏析]汤姆的祖父两年前去世了，留给他一大笔财产。

　　Tom's grandfather died two years ago, leaving him a big fortune.

　　3．[佳句赏析]If not, it will be a catastrophe.

　　否则，就会造成灾难性后果。

　　[句型点拨]if not"如果不这样的话"。

　　[佳句赏析]我们应该保护自然，如果不这样的话，就会被大自然惩罚。

　　We should protect nature. If not, we will be punished by it.

　　1．China signed the agreement in 1985 and there are now 31 Chinese sites on the list.(P71)

　　1985年中国在这一协议上签字，到目前为止中国有31个景点列于其中。

　　★agreement n．协议

　　①News report says peace talks between the two countries have broken down with no agreement reached.

新闻报道说这两个国家的和平谈判失败，没有达成协议。