（2019新教材）外研版高中英语必修三Unit 4 Section A 知识点 ppt课件.pptx

1、Starting out ;担心的担心的”。 其其动词和名词形式为动词和名词形式为concern。 More and more people show great concern for road safety. 重点词汇重点词汇 【词汇拓展词汇拓展】 concern oneself about.关心关心 show/express concern for/about. 对对表示关心表示关心 be concerned about/for 担担心心 be concerned with 与与有关有关; ;涉及涉及 as far as.be concerned 就就而言而言 A teacher mus

2、t show/express concern for/about every student. As far as Im concerned,riding bicycles is a good solution. The accident was concerned with the bus driver. 形形容词容词concerned 作作前置定语时前置定语时, ,意为意为“关心的关心的, ,挂念的挂念的, ,担心的担心的”;”; a concerned look“关切的神情关切的神情” 作作后置定语时后置定语时, ,意为意为“相关的相关的; ;有关的有关的”。 the authoriti

3、es concerned“有关当局有关当局”。 2.Thanks to AI, Ive got my own super-smart personal assistant built into my phone. 【词汇精讲词汇精讲】assistant 为名词为名词, ,在此句中意为在此句中意为“助手助手, ,助理助理”;”;动动 词为词为assist, ,表示表示“帮助帮助, ,协助协助”。 Well do all we can to assist you. 【词汇拓展】词汇拓展】 assist sb with sth 在在某方面给某人帮助某方面给某人帮助 assist sb in(doin

4、g) sth 帮帮助某人做某事助某人做某事 assist sb to do sth 帮助某人做某事帮助某人做某事 assistance n.U 帮帮助助, ,协助协助, ,援助援助 with the assistance of 在在的帮助下的帮助下 come to sbs assistance 帮帮助某人助某人 Do you often assist your mother with/to do/in (doing) the housework? One of her fellow passengers came to her assistance. 【易混辨析易混辨析】assist/help

5、/aid assist意为意为“帮助帮助; ;协助协助”,”,侧重指协助侧重指协助 help意为意为“帮助帮助”,”,为常用词为常用词 aid一般是指一般是指“援助援助”一群人一群人, ,尤指用金钱尤指用金钱( (接受帮助的人较广接受帮助的人较广) ) 【微写作微写作】 The assistant is ready to assist others . When you require assistance , he is sure to come. 3.Every recommendation she gives me is great since she can predict if I

6、will like a particular restaurant. 【词汇精讲词汇精讲】recommendation 为名词为名词, ,表示表示“推荐推荐; ;建议建议”,”,其动词为其动词为 recommend。 We make this recommendation for two reasons. 【词汇拓展词汇拓展】 recommend doing sth 建建议做某事议做某事 recommend sb to do sth 建建议某人做某事议某人做某事 recommend that sb (should) do 建建议某人做某事议某人做某事( (从句用虚拟语气从句用虚拟语气) ) r

7、ecommend sb sth 向向某人推荐某物某人推荐某物 recommend sth to sb 把把某物推荐给某人某物推荐给某人 recommend sb as.推荐某人为推荐某人为 Eye doctors recommend that a childs first eye exam (should) be at the age of six months old. I hope our teachers can recommend more interesting books and magazines to us and give us more free time to read

8、them. The doctor strongly recommended limiting the amount of fat in my diet. 【名师点津】后接的宾语从句用虚拟语气的其他动词名师点津】后接的宾语从句用虚拟语气的其他动词: : advise , suggest, desire, command, urge, order, require, request等。 4.And as they wont be susceptible to human error, theyll certainly be a lot safer. 【词汇精讲词汇精讲】susceptible为形容

9、词为形容词, ,在该句子中表示在该句子中表示“易受影响的易受影响的”,”, 它还有它还有“敏感的敏感的, ,情绪多变的情绪多变的”之意。之意。 James was extremely susceptible to flattery. 詹姆斯听几句奉承话就忘乎所以。詹姆斯听几句奉承话就忘乎所以。 【词汇拓展词汇拓展】 be susceptible to 易易受受的影响的影响 be susceptible of 能能经受某事物经受某事物; ;有某种能力有某种能力 susceptible population 易易感人群感人群 Young people are the most susceptibl

10、e to advertisements. 年轻人最容易受广告的影响。年轻人最容易受广告的影响。 Is your statement susceptible of proof? 你的说法能加以证实吗你的说法能加以证实吗? ? 5.But have you ever thought about the risks? 【词汇精讲】risk 在该句子中为名词在该句子中为名词, ,表示表示“风险风险”,”,同时它也可作动词同时它也可作动词, ,表示表示 “冒险冒险”,”,常用于常用于risk doing sth这一结构这一结构, ,表示表示“冒险做某事冒险做某事”。 You shouldnt under

11、estimate the risks of the plan. He risked his life to save me in the cold river. Last year I had a narrow escape,and I dont want to risk my life a second time. 【词汇拓展词汇拓展】 take risks/a risk 冒冒险险 take/run the risk of doing sth 冒冒险做某事险做某事 at risk 有有风险风险 at the risk of. 冒冒着着风险风险 Men who had been stresse

12、d tended to take more risks. Your health might be at risk due to much smoking. 6.We could be seen as a “small” inconvenience thats in the way of a solution to a bigger problem. 【词汇精讲】inconvenience为不可数名词不可数名词, ,表示表示“不方便不方便”,”,其中其中in-in-为否定前为否定前 缀缀; ;其反义词为其反义词为convenience, ,表示表示“便利便利; ;方便方便”。 We apolo

13、gise for the delay and any inconvenience caused. 【词汇拓展】词汇拓展】 at ones convenience 在在某人方便的时候某人方便的时候 for convenience 为为了方便了方便 for the convenience of sb 为为了方便某人了方便某人 convenient adj. 方方便的便的; ;便利的便利的 conveniently adv. . 方方便地便地; ;便利地便利地 It is convenient (for sb) to do sth. ( (某人某人) )方便做某事。方便做某事。 By setting

14、 up a family blog,we can conveniently share our experiences no matter where we are. As far as I know,it is convenient to do shopping in that small town. If you are interested,please send an application email at your earliest convenience to Ms. Chen. (1)convenience意为意为“便利便利; ;方便方便”时时, ,为不可数名词为不可数名词;

15、;意为意为“便利的事物或设施便利的事物或设施” 时时, ,为可数名词。为可数名词。 (2)convenient作表语时作表语时, ,不可用人作主语不可用人作主语, ,而要用物作主语或用而要用物作主语或用itit作形式主语。作形式主语。 【微写作】微写作】 You can visit Professor Li when it is convenient,that is,at his convenience.His house is conveniently near the bus stop. 7.We have no choice but to embrace it and regulate

16、it. 【词汇精讲】 have no choice but to别无选择别无选择, ,只能只能 Her parents had no choice but to allow her to go to China to travel alone. 【词汇拓展词汇拓展】 have no alternative but to do sth 别别无选择只好做某事无选择只好做某事 Theres no alternative.别无选择。别无选择。 have nothing to do but do 除除了做了做外无事可做外无事可做 We have no alternative but to go on.

17、Theres no alternative but to work together to fight against the virus. I have nothing to do but sleep all the time. Every recommendation she gives me is great since she can predict if I will like a particular restaurant. 该该句子中句子中since she can predict if I will like a particular restaurant为since 引导的原

18、因状语从句引导的原因状语从句;if;if引导宾语从句引导宾语从句, ,表示表示“是否是否”。 Since you have settled down in a new country , you have to make an adjustment to the new environment. 重点句式重点句式 【句式拓展】句式拓展】 其他表示原因的连词和介词短语其他表示原因的连词和介词短语: : (1)Because 因因为为( (语气较重语气较重, ,常用于回答常用于回答why的疑问的疑问) ) (2)As 因因为为( (语气较弱语气较弱) ) (3)For 因因为为( (并列连词并列连

19、词, ,引导一个分句引导一个分句, ,不能置于句首不能置于句首, ,表示进一步补充说明表示进一步补充说明) ) (4)due to, because of, on account of, owing to, thanks to , as a result of , now that等。等。 He didnt attend the meeting because he was ill. John received an invitation to dinner; he gladly accepted it as he had finished his work. I felt very glad

20、, for I caught sight of my old friend in the crowd. Now that it benefits us so much , why not have a try? . .单词拼写单词拼写 1.She welcomed us with an (虚伪的虚伪的) ) smile on her face. 2.The operation was carried out with the (帮助帮助) ) of foreign experts. 3.According to WTO,China has become the biggest (受害者受害者) of new trade protection measures. 4.This is an age of high technology and (自动化自动化). artificial assistance victim automation 5.Chinese development has taken a huge (剧变剧变) forward in the last years. 6.She(分析分析) the situation and then decided what to do. leap analysed Thank you!