1、build up
【语境展示】 阅读下面句子，并从a-d中找出与1-4中的build up相符合的释义。
1. They gave him soup to build him up.
2. She’s built up a very successful business.
3. The museum has built up a fine art collection.
4. If you don’t express your feelings, frustration and anger can build up.
a. 逐渐增强，变得严重起来
2、 b. 积累，积聚
c. 加强（力量），增强（体质） d. 建立，开发
【自我归纳】 通过观察上面的句子，我们可以知道，build up的意思分别为：1→ ________；2→________；3→________；4→________。
【即学即练】 翻译下面句子。
1. Taking exercise will build up your strength.
___________________________________________________
2. Traffic is building up on roads into th
3、e city.
___________________________________________________
3. We’ve built up good relationships with our customers.
___________________________________________________
struggle
【语境展示】 阅读下面句子，并试着归纳struggle的意思及用法。
1. Many people have to struggle for a living.
2. They struggled to pay their
4、bills.
3. He struggled along the road holding his son.
4. All his life he has been struggling with / against difficulties.
5. Jack struggled with Jim on the grass.
6. The people of this country will continue their struggle for freedom.
7. She tried to escape but her struggles were useless.
8.
5、It was a real struggle to be ready on time.
【自我归纳】 struggle既可作动词，也可作名词。
★ 作动词时，意为：①努力，奋斗，争取（常用搭配：struggle ________ ... 为……而努力奋斗；struggle to do sth. 努力做某事）（句1、句2）；②挣扎前进（句3）；③斗争，抗争（常用搭配：struggle with / against ... 与……斗争/抗争）（句4）；④搏斗，打斗（常用搭配：struggle with ... 与……搏斗/打斗）（句5）。
★ 作名词时，意为：①斗争（句6）；②努力，奋斗（句
6、7）；③难事（句8）。
【即学即练】 用适当的介词填空。
1. The two boys have been struggling ________ the toy gun for several minutes.
2. He struggled ________ the mad man till help came.
3. The workers have been struggling ________ bad conditions for too long.
答案
build up
【自我归纳】 1-4 cdba
【即学即练】
1. 锻炼将增强你的体质。
2. 来往的车辆在通往市区的道路上越聚越多。
3. 我们与我们的顾客之间已经建立起良好的关系。
struggle
【自我归纳】 for
【即学即练】
1. for 2. with 3. with / against
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