Unit 2 Look into the Future（词汇讲解）（教学课件）-2023-2024学年高二英语同步精品课堂（人教版2019选择性必修第一册）

高中英语选择性必修一 Unit 2　Looking into the Future 词汇讲解(教学课件) 1.persuade vt. 说服; 劝说; 使信服；使相信 (1)persuade sb. to do sth. （=persuade/talk sb. into doing sth. )　 说服某人做某事 persuade sb. not to do sth. (=persuade/talk/argue sb. out of doing sth. 说服某人不要做某事 try to persuade sb. to do sth. 试图劝说某人做某事(不一定成功) persuade sb. of sth. 使某人相信某事 persuade sb. that... 使某人相信...... Can you persuade her out of her foolish plans? 你能劝她放弃那些愚蠢的计划吗? Eventually, her mother persuaded her into learning English. 最终, 她妈妈说服了她学习英语。 拓展： (1)persuasion n. 说服; 说服力 (2)persuasive adj. 有说服力的 【应用融会】 用persuade的适当形式填空 ①She tried __________her husband to give up smoking, but failed.   ②When they do it, you’ll know your __________ was effective. to persuade persuasion 【易混辨析】 persuade与advise： 　　persuade表示说服, 强调说服的结果; advise表示“劝说, 建议”, 对方不一定接受, 强调动作。“劝说但不一定有效果”应表达为: advise sb. to do sth. 或try to persuade sb. to do sth. 。 2. switch n. 开关; 转换器; 改变 v. 改变, 转变; 转换 switch on=turn on 　　 接通, 开启 switch off =turn off 用开关)关掉; 切断(电源) switch over 切换；换（电视等的）频道 switch from. . . to. . . 从……往……转变 Which switch do I press to turn it off? 我要摁下哪个开关来把它关掉? She emptied both their cups and switched on the electric kettle. 她倒空了杯子, 打开了电水壶。 【应用融会】 用适当的介、副词填空 ①“Switch ___ the computer and get to bed, ” I yell, as I get ready to turn off my own bedroom light. ②When you first switch ___ an iPhone, you are asked for your Apple account. off on 3. secure vt. 保护; 获得 adj. 安全的; 可靠的 insecure adj. 不安全的; 不稳定的; 不牢靠的 词形拓展： (1)security 　　 n. 安全, 安全性 (2)securely adv. 安全地; 安心地 We must secure the benefits of freedom for ourselves and our children. 我们必须保护我们自己和孩子们的自由权益。 We need to deal with the insecure nature of our telecom networks. 我们需要解决电信网络的不安全性质的问题。 【应用融会】 用secure的适当形式填空 (1)The naughty children skedaddled when the _______ guard approached them. (2)You should make a savings plan that __________your child’s future.   security will secure preference n. 爱好；偏爱;优先（权） （1）have a