Unit 5 Working the Land 重点单词变形，词组，短语，句型练习-2022-2023学年高二英语选择性必修第一册单元重难点易错题精练（人教版2019）.docx

Unit 5 Working the Land 重点单词变形，词组，短语，句型练习 (知识点全覆盖) 基础词汇变形： 1．devote vt .把……献(给)；把……专用于；专心于→ n ．献身；忠诚；热爱 2．convince vt .使相信；使确信；说服→ adj .有说服力的；使人信服的 → adj .确信的；坚信的 3．assumption n ．假定；设定；(责任的)承担；(权利的)获得→ v ．假定；设想→ conj .假定；假设 4．consumption n ．消耗；消耗量；消费→ vt .消耗；消费；吃；喝 → n ．消费者；用户；客户 5．salty adj .含盐的；咸的→ n ．盐 6．extension n ．扩建部分；扩大；电话分机→ vt .伸开；展开；延伸 7．chemical adj .与化学有关的；化学的 n ．化学制品；化学品→ n ．化学 8．nutritional adj .营养(物)的→ adj .有营养的；营养丰富的 → n ．营养；滋养 depth n ．向下(或向里)的距离；深(度)→ adj .深的→ vt .加深；(使)变深 一、用单词的适当形式完成句子 1．Scientists once figured that the theory was based on a wrong ________ (assume). 2．With all his spare time____________ (devote)to the research, the scientist almost has no time for a holiday. 3．It____________(estimate) that between 70 and 90 percent of car crimes occur in the daytime. 4．The deal was estimated____________(be) worth around $ 1.5 million. 5．It is wise of our manager to hire consultants to help with our commercial ________(extend). 6．You can be a clerk of our firm on the __