:高二英语下册第1单元知识点：Scientific achievements
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高二英语下册第1单元知识点：Scientific achievements
【Scientific achievements知识点】
1.wish希望
wish to do sth.
wish sb. to do sth.
Wish that…
注意： 引导的宾语从句，谓语动词用虚拟形式， 可以表示对现在/当时;过去;未来的“希望”
eg. I wish that I were five years old.
I wish that I had studied hard before.
I wish that I could walk in space some day.
wish sb. sth.
Eg. I wish you good luck.
2. Which do you think is the most important?
Do you think 是插入语，不影响句子的整个结构。Do you think 插入到疑问句中， 句子应使用陈述句语序。
Eg. How much do you think I should pay for the book?
3. if so倘若是(那样的话)……
eg. If so , I won’t ask you for help.
4.How do you improve society?
society“社会”，使用时不加冠词。
Eg. The thief is dangerous to society.
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