要点揭秘 Unit 16
一 重点单词
1. experiment n. 实验，试验
We can learn by experiment that oil and water will not mix.
我们可以从实验中看到油和水是不相溶合的。
vi.（常与on, with连用）做实验
We experimented by putting oil and water together, and we saw that they did not mix.
我们把油和水放在一起做实验，结果看到它们不相溶合。
make/ carry out/ do/ perform / try an experiment on 做...实验, 对...做实验
2. advantage n. 1) 优势；长处
Mary speaks good English, but she has an advantage because her mother is English.
玛丽英语说得好，因为她有一个有利条件，她妈妈是英国人。
2) 利益；便利
Is there any advantage in getting there early? 早到那里是否值得?
This hall combines the advantages of the ball room and of a meeting place.
这个大厅既可作舞厅,又可作会场。
3. disadvantage n. 1) 不利；不利条件
His bad health is a great disadvantage for him to get a good paid job.
他体弱多病对他求得一个薪水很高的工作很不利。
2) (名誉、信用、经济等方面的)损害, 损失
3) 缺点, 缺陷
The washing machine has two serious disadvantages. 这台洗衣机有两个严