Unit 2 Section A（学案）2021-2022学年高中英语外研版（2019）必修第三册

Section A Starting out & Understanding ideas 学习目标 1、学会本节单词、短语。 2、掌握本节句型表达与运用。 知识运用 1. contribution 词性：_________ 意思：________ make a contribution/contributions to… 对……做出贡献；向……捐款 contribute vt. & vi. 捐献；撰稿 vi.促成；造成（某事发生） contribute (…) to … 向……捐赠（……）；为……撰稿（to为介词） contribute to sth. 造成某事发生 contribute to (doing) sth. 有助于（做）某事 练习：This news technology will make a great ____________ (contribute) to the development of China's communication industry. 2. relief 词性：_________ 意思：________ in/with relief 如释重负；松了口气 to one's relief 使人欣慰的是；令某人安心的是 What a relief! 可轻松了！ It is a relief to do sth. 做某事让人感到舒心 relieve vt. 减轻，缓和 relieve sb. of sth. 帮助某人减轻……（负担）；解除某人……的职务 relieve one's pain/pressure 减轻某人的痛苦/压力 练习：It came as a great ___________ (relieve) to the parents that their son finally came back safe and sound. 3. effective 词性：_________ 意思：________ effect n. 效应，结果，影响 have an/no effect on/upon … 对……有/没有影响 bring/put … into effect 使……生效 come into effect 生效；开始实施 take effect 见效；生效，开始实施 练习：Keeping a di