2018版高中英语北师大版选修七学案:Unit 21 Human Biology Period Four Communication WorkshopLanguage A

[归纳拓展]

vote vi.表决,投票,选出;n.投票,表决 vote for/against投票赞成/反对 vote on就……投票表决 vote to do sth.投票决定做某事 [语境助记]

(1)Now we will vote on this question. 现在我们就这个问题进行投票。 (2)We voted to accept the proposal. 我们投票决定接受这项提议。 [题组训练] 完成句子

(1)We couldn’t decide who to be given the prize,so we had to (投票表决) it. (2)Please (投票支持) Tom,a good citizen. (3)The citizens (投票反对) his being president. 9.circumstance n.[C](常用复数)情形;情况;经济状况 [归纳拓展]

in/under any circumstances在任何情况下

in/under no circumstances无论如何不;决不(置于句首,句子要用倒装语序) in/under the circumstances在这种情况下;既然如此 [语境助记]

(1)Whatever our circumstances,we generally still have dreams,hopes and desires.(2015·福建) 无论我们处在什么情况下,我们通常仍然拥有梦想、希望和欲望。 (2)We should stick to our dreams in/under any circumstances. 无论在什么情况下我们都要坚持自己的梦想。

(3)I had to give up my attempt in/under the circumstances.在此情况下,我不得不放弃我的尝试。 [题组训练] 完成句子

(1)在任何情况下都不要开门。

Don’t open the door . (2)你无论如何都不应该借钱给保罗。

Under no circumstances Paul any money. (3)情况允许的话,我将要出国念书。 ,I’ll go abroad to study.

10.Traditional Chinese Medicine finds the cause of the sneezing and treats that to clear it up for good. 传统中医会找到打喷嚏的原因,并把它永久地治愈。 [归纳拓展] for good永远地

for one’s good为某人好

do...good(=do good to...)对……有好处 for the good of...为……的利益;为……好 It’s no good doing...做……没用。 [语境助记]

(1)Exercise does good to your health. 锻炼对你的身体有好处。

(2)Cuts have been made for the good of the company.实行裁减是为了公司的利益。 (3)It is no good trying to talk me out of leaving. 想说服我不离开,没用。 [题组训练] 完成句子

(1)我们以前分开过,但我觉得这一次要永远分开了。

We’ve separated from each other before,but I think it’s this time. (2)好了,把药喝了——这是为了你好。

Come on,drink up the medicine—it’s . (3)我会找他谈谈,但我觉得那不会有用。

I’ll talk to him but I don’t think it will . (4)跟他说没有用——他不会听的。

him—he won’t listen.

经典句式

I’ve broken bones before.However,this is the first time I’ve broken my leg. 我以前摔断过骨头,但是这是我第一次弄断腿。 [归纳拓展]

It/This/That is/was the+序数词+time+that...是……第几次做……

若主句为一般过去时,从句用过去完成时;若主句为一般现在时,从句用现在完成时。 (1)It is (high) time (that) sb.did/should do sth.到某人做某事的时候了(该句式中time前不用冠词,从句谓语动词用一般过去时或should+do,should不可省略)。 (2)It+be+时间段+since...自从……以来已经有多长时间了。 (3)It+be+时间段+before...一段时间后才……

(4)在It+be+时间点+(that/when)...句型中,如果将it,be和连词去掉后句子仍然完整,说明是强调句型,应用连词that;如果去掉这些成分后句子不完整,应用连词when(引导时间状语从句)。 [语境助记]

(1) It is the first time that I have ever seen her lose her temper.这是我第一次看到她发脾气。 (2)It was the first time that I had ever got such a good chance to go abroad for further education. 这是我第一次获得出国深造的好机会。 (3)It’s high time we left for the airport. 我们该去机场了。 [题组训练] 单句语法填空

(1)It is the first time that I (come) here.

(2)It (be) more than a year since he was employed in the company. (3)It won’t be long we meet again.

(4)It was the first time that Mr Smith (visit) China. (5)It was 11 o’clock he got to the small village last night.

Ⅰ.单词拼写

1.The boys e themselves with food and water,and set off. 2.I am (怀疑的) about his chances of winning. 3.My house is being painted,so I have to stay in a t one. 4.There is growing c about the effects of pollution on health. 5.It is (荒谬的) to go out in such terrible weather. 6.In India the cow is a (神圣的) animal.

7.Though in the (晚期的) stage of cancer, he keeps walking every day. 8.When she was young, she left home to seek her (发财) abroad. 9.The (公司) was badly hit by competition from abroad.

10.Because of the financial crisis, the staff (下降) from 10,000 to 8,000 last year. Ⅱ.选词填空

rob...of,at any rate,for good,live on,equip...with 11.He still his parents after graduation.

12.I’ll remember it is only hard work that can lead to success. 13.Smoking him his life and eventually he died.

14.Even though he was alone in the forest,he didn’t feel scared because he a gun and a knife.

15.Well, ,we won’t start until you come back. Ⅲ.完成句子

16.It’s the first time that the boy (同外国人说话). 17. (是……的时候了) we should go to bed. 18.The more he thought like this, (越不开心) he became. 19.The child fell, (碰到了头) against the door. 20. (据说) he has written a new book about workers.

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