Unit 2 Making a difference Period 3 Understanding ideas Language points课件2021-2022学年高中英语外研版必修第三册课件

1. the contribution these people made to society contribution n.贡献，捐献 contribute v.贡献，有助于，投稿 make contributions/ a contribution to为…做出贡献 contribute …to/ towards 把…贡献给… contribute to doing sth.导致，有助于 (1)Everyone on the team contributed to winning the game. (2)It is our duty to make contributions to our motherland. 2.The amount of relief and comfort experienced by…… relief n.减轻，缓解 relieve v.解除，减轻，缓解 in relief 如释重负，松了口气 to one’s relief 令某人…… It is a relief to do sth. 做某事令人放松 relieve sb. of sth. 帮助某人减轻 When he heard had had passed the exam, he smiled in relief. It will relieve her of a huge burden. 3. Freshwater shortage shortage n. 短缺，不足，常与of连用 eg The shortage of oil will probably drive prices up. 4. 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 effect n.作用，影响 affect v.作用，影响 become effective 开始生效 have an/ not effect on/ upon 对…有/没有影响 bring/carry/put…into effect 使…生效 put/come into effect