高一英语暑假精品课（译林版2020必修第一册）
unit4单词短语预习
1．初步掌握必修一第四单元的重点词汇和短语
2．能够运用该单元的词汇或短语正确做题
Unit 4 Looking good,feeling good
一、词汇讲解和拓展
1.be concerned 关心……;挂念……
be concerned 与……有关;参与;牵涉到
as/so be concerned就……而言
concern n.[U]担心;忧虑;[C]关心的人(或事)
show/express concern 对……表示关心/担心
concerning prep.有关;涉及
【注意】
形容词concerned作前置定语时,意为“关心的,挂念的,担心的”;作后置定语时,意为“相关的;有关的”。
例如: a concerned look“关切的神情”; the authorities concerned“有关当局”。
例句：She hasn’t been seen for four days and there is concern for her safety.
她已四天不见踪影，大家对她的安全很担心。
The report expressed concern over continuing high unemployment.
报告表达了对失业率居高不下的忧虑。
He asked several questions concerning the future of the company.
他问了几个有关公司前途的问题。
As far as I am concerned, doing what I like is the most important thing.
就我而言，做我喜欢做的事情是最重要的事。
2. side effect 副作用
come into/take effect生效;见效
have an effect on/upon对……产生影响
bring/into effect实施;使……生效/起作用
be of no effect无效果的
例句：The recommendations will soon be put into effect.
这些建议即将付诸实施。
New controls come into effect next month.
下月开始实施新的管制措施。
Modern farming methods can have a side effect on the environment.
现代农业耕作方法可能对环境造成负面的影响。
The crisis had a negative effect on trade.
这次危机对贸易产生了很坏的影响。
Overseas investment has had a positive effect on exports.
海外投资对出口有积极影响。
3.be/go on a diet节食
a balanced diet平衡饮食
例句：I decided to go on a diet before my holiday.
我决定在休假前节食。
You should try to combine exercise with a healthy diet.
你应该把锻炼和健康饮食结合起来。
4.take over to移交;遗留给
take over夺取;接管
take off脱;去掉;起飞;(事业)蓬勃发展
take up占据(时间、空间等);开始(学习或某种爱好);从事,对……感兴趣
take after与……相像
take on呈现;具有;担任(工作);承担(责任);雇用
take in 收留(尤指无家可归者或逃难者); 欺骗; 理解;领会;(schedule形容词人、动物或植物)摄入，吸收
例句：They always take in the homeless.
他们经常收留无家可归的人。
Humans take in oxygen and breathe out carbon dioxide.
人吸入氧气，呼出二氧化碳。
She decided that I was the ideal person to take over the job
她认定我是接手这份工作的最佳人选。
I don’t feel ready to take on new responsibilities.
我不愿意承担新的责任。
5.in the shape of以……形状
in good shape身体状况好
out of shape身体不佳;变形的
take shape成形
例句：I like to keep in shape. 我喜欢保持健康。
The pool was in the shape of a heart. 游泳池呈心形。
The wheel had been twisted out of shape. 轮子已经扭曲变形了。
6.be frightened 害怕……
be frightened to death 吓得要死
frighten sb into/out of doing sth恐吓某人做/不做某事
例句：I’m frightened of walking home alone in the dark.
我害怕在黑夜单独走路回家。
He brought out a gun and frightened them off.
他掏出一把，把他们吓跑了。
I frightened the boy out of telling the truth to others.
我恐吓那个男孩不要向别人说出真相。
7.within budget在预算内
within one’s grasp 某人能理解
within limits适度地,节制地
within the reach of 能拿得到;能到达

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