Unit 2 Understanding ideas Language points 课件 2021-2022学年高中英语外研版必修第三册

Making a difference Language points 1. Globally, renewable internal freshwater resource per capita was around 6,000 m3 in 2014. renewable adj. 可再生的，可更新的 re- (prefix前缀) 可加在动词、名词、形容词和副词前面，表示“再，又；回，回来” eg recycle (回收利用); review (复习); reunion (团圆，重聚); restart (重新开始); reconstruction (重建); return (回来，返回); recall(回忆，召回); reuse(再次/重复使用); retell(复述) 2. Now tick the solutions that you think are most effective to supply Africa with fresh water. effective adj. 有效的, 产生预期效果的; (法律等)生效的 effect n. 效果，作用，影响，结果 have an effect on/upon 对···产生作用/有影响 be of no effect 无效的，没有作用 come into effect 生效，开始实施 put/bring… into effect 使···生效，实施 effect 短语 翻译：电视对孩子们的行为有影响。 The television has an effect on/upon children’s behaviour. 3. Ryan had trouble believing the words spoken by his teacher that many people in developing African countries couldn’t get enough clean water. (1) have trouble (in) doing sth: 做某事有困难 做某事有困难的其他常用表达： have problems/difficulty (in) doing sth have a hard/difficult time (in) d