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Module 5 A Lesson in a Lab
重点句型
1. It is hard to think of a world without metals.
很难想象一个没有金属的世界。
2. Here is a table with the metals that react most at the top, and the metals that react least at the bottom.
下面表格中的金属反应最强的排在上面,反应最弱的排在下面。
3. Below is a description of a simple scientific experiment. It shows us how iron reacts with air and with water.
下面是对一个简单科学实验的描述,它向我们演示了铁是如何跟空气和水反应的。
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.
我们的化学老师朗福德先生大约每学期带我们去听四次大众科学讲座,讲座总是非常有趣,因为作讲座的人都是在各自的科研领域里有真正发现的人。
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.
我们的化学老师朗福德先生大约每学期带我们去听四次大众科学讲座,讲座总是非常有趣,因为作讲座的人都是在各自的科研领域里有真正发现的人。
本句是由and连接的并列句,后一个分句中含有由as引导的原因状语从句。原因状语从句中又含有who引导的非限制性定语从句,people为定语从句的先行词。
(1) as conj.
①“因为”，引导原因状语从句,表示“双方已知的原因”,语气比since弱,较为正式。
As it is raining, you’d better take a taxi.
既然在下雨,你最好乘出租车。
I went to bed early, as I was exhausted.
我睡得早,因为我筋疲力尽了。
