必修4 unit2 知识点

3. for/in the past/last + 一段时间 (与现在完成时连用）
4. the first ……to do……第一个……的 I am the first student to come to classroom.
5. Make it possible to produce……
6. 百分比+ of + 名词（谓语动词的单复数取决于 名词的单复数）
7. Finding ways to grow more rice has been his life goal.
动名词做主语，谓语用单数
8. a disturbing problem
一个 令人烦恼的问题
1._____ Eating (eat) more fruit every day is helpful to keep the flu away from you.
struggled for (为争 2. Three brothers ___________ 取……而斗争) the possession of a jewelry box. 3. 30% of the water _______ (be) dirty. is 4. 50% of the students ______ are ( be) China. 5. In the past two decades, I ______ have lived (live) in England. to leave (leave). 6. I am the first person ______
1.This building is five times _______(high )than that one. higher 2.This building is five times as _____(high) as that one. high
• Statistics show that house prices in the last two years has risen _____ they had expected. • A. as much as twice • B. as twice much as • C. twice as much as • D. as much twice as
重难点:twice as large as 译为：粮食产量是以前的两倍
倍数表达法： 倍数+as+形容词原级+as 倍数+形容词比较级+than 倍数+ the +n+ of
体会下列句子的含义 My room is twice as big as yours. My room is twice bigger than yours. My room is twice the size of yours.
1. consider oneself (to be) …… 认为自己是…… consider doing sth 考虑做某事 I consider myself to be a hard-working person. My schoolmate considers going abroad. 2. struggle to do sth 努力做某事 struggle for 为…… 斗争 we struggle to study hard. We should struggle for ____our duty to support good leaders. it 2.The new method makes ____possible to complete the task faster. it 3.Tom found ___-very important to learn 4.foreign languages. it 5.We all feel ____nice to be able to visit that university.