Module 5 A Lesson in a Lab

重點句型

1. It is hard to think of a world without metals.
很難想象一個沒有金屬的世界。

2. Here is a table with the metals that react most at the top, and the metals that react least at the bottom.
下面表格中的金屬反應最強的排在上面,反應最弱的排在下面。

3. Below is a description of a simple scientific experiment. It shows us how iron reacts with air and with water.
下面是對一個簡單科學實驗的描述,它向我們演示了鐵是如何跟空氣和水反應的。

句型探究

1. Our chemistry teacher, Mr Longford, takes us to public science lectures about four times a term, and these are always very interesting, as the lecturers are people who have made real discoveries in their area of science.
我們的化學老師朗福德先生大約每學期帶我們去聽四次大眾科學講座,講座總是非常有趣,因為作講座的人都是在各自的科研領域里有真正發現的人。
Our chemistry teacher, Mr Longford, takes us to public science lectures about four times a term, and these are always very interesting, as the lecturers are people who have made real discoveries in their area of science.
我們的化學老師朗福德先生大約每學期帶我們去聽四次大眾科學講座,講座總是非常有趣,因為作講座的人都是在各自的科研領域里有真正發現的人。
本句是由and連接的并列句,后一個分句中含有由as引導的原因狀語從句。原因狀語從句中又含有who引導的非限制性定語從句,people為定語從句的先行詞。
(1) as conj.
①“因為”，引導原因狀語從句,表示“雙方已知的原因”,語氣比since弱,較為正式。
As it is raining, you’d better take a taxi.
既然在下雨,你最好乘出租車。
I went to bed early, as I was exhausted.
我睡得早,因為我筋疲力盡了。

來源:可可英語 http://www.ccdyzl.cn/gaokao/201108/148717.shtml