Unit 1 A New Start Presenting ideas 单词教学课件-2022-2023学年高中英语外研版（2019）必修第一册

Words & expressions (Presenting ideas) 单元词汇梳理 1. committe n. 集体名词 2. improve 词块：improve on / upon 对……做出改进；做得比……更好 ➱ improvement n. 单元词汇梳理 3. rate ■ n [C] 比率; 速度；速率; 价格；费用; first-rate / second-rate / third-rate 一流的 / 二流的 / 三流的 at any rate 无论如何 (anyway)： At any rate, the medical supplies will reach you within a week. at this / that rate 这样 / 那样的话： If you go on at that rate, you will damage your health. 单元词汇梳理 3. rate ■ vt [不用于进行时]  对……评估；对……评价： The university is highly rated for its research.  给……划分等级： When students rate subjects according to their importance, the arts are unavoidably at the bottom of the list. 【词汇拓展】 rating n [C] 等级；级别；排名： 单元词汇梳理 4. performance n. 词块：give / put on a performance; good / poor / bad performance ➱ perform v. ➱ performer n. (人) 做 （基本义） 做；履行；执行 表演；演出 做演出之类的事情（人） 做事情 （人） 表现；运转 perform 语义网络 人做事情 / 机器运作的结果 单元词汇梳理 5. exchange 人与人或物与物之间的“交换” 商品之间的“交换” 货币之间的“交换” exchange语义网络图 交换；交流 (商品的) 调换 (货币的) 兑换 交易所 n v 交换；交流 更换；兑换 交换 基本义 exchange “交换”的场所 exchange ■ n an exchange student in exchange for ■ vt exchange views / ideas “交换”时与 with 搭配；“更换”时与 for 搭配 9 随堂检测 一、在括号内填入适当的介词。 1. He sold or exchanged some of the milk in the towns nearby _____ other food. 2. I’ll type your report if you look after my baby ______ exchange. 3. If you have a book and don’t want to keep it, you can exchange it ______ me. 4. This exchange ________ greetings raised the kids’ productivity. exchange for in with of 11 exchange 二、将下列短语译成英语。 1. 交换生 _______________________________________ 2. 互换电话号码 __________________________________ 3. 将美元换成英镑 __________________________________ an exchange student / exchange students exchange telephone numbers / the exchange of telephone numbers exchange dollars for pounds 12 三、写出下列句子中画线部分的汉语释义。 1. Mike Perry and Max Griffin have a heated exchange on social media. __________ 2. I shook hands and exchanged a few words with the manager. __________ 3.