北师大版英语必修5_Unit13_Lesson2_重难句导学

Lesson2 重难句导学
1. Without their harvests every year, we would all go hungry!
没有每年的收获，我们都会挨饿！
解析：without... we would …“没有……我们就会……”，由without, with, but for, or, otherwise, 或under等构成的短语可表示含蓄的条件，主句要用虚拟语气，从句中的谓语动词视情况而定：与现在或将来事实相反，主句谓语动词用“would/ should/ could + 动词原形”；与过去事实相反，主句谓语动词用“would/ should/ could + have done”。

①Without air and water we would die. 没有空气和水，我们就会死。

②Without/ But for your timely help, I would not have passed the exam.
没有你的及时帮助，我是不会通过考试的。

2. Selfish people would care only about themselves and not about other people. (教材P10)自私的人只关心他们自己不关心其他人。

归纳：
selfish (adj.) 自私的，利己的
①A selfish person always thinks about himself.[来源:Z#xx#]
一个自私的人总是想着自己。

拓展:
selfless (adj.)无私的
selfishness (n.)自私
②George is a brave and selfless man.
乔治是一个勇敢无私的人。

③Selflessness is his good character.无私是他的优秀品质。

3. Someone independent is able to do things by themselves and in their own way.(教材P10)
独立的人能以自己的方式亲自处理事情。

归纳：
independent adj.独立的
independent和independence后接of介词。

Students should aim to become more independent of their teachers.
学生应该努力减少对老师的依赖。

Under the leadership of Gandi, India became independent of British rule.
在甘地的领导下，印度摆脱了英国统治，获得了独立。

注：depend, dependence, dependent后需接介词on/upon
I used to be dependent on my parents. Now I’m independent of them.
我曾经依赖父母，现在我自立了。

You can’t depend on your parents to keep giving you money.
你不能总是依靠父母给你钱。

4. What characteristics do the students think that tour guides should have？(教材P10)
同学们认为导游应该具有什么样的特点？
归纳：
characteristic (n.) 特点；特性；(adj.)典型的
b e characteristi
c of sb./sth.构成某人或某物特征之一；是某人或某物的典型特征
It is a town that has all the characteristic of a typical seaside resort.
这是一个具有典型海滨特色的小城。

I love the characteristic flavor of bananas.
我喜欢香蕉特有的香味。

拓展:
character (n.) (事物的)特性；(人的)品质；字符；人物
The man has a determined character.
那人有果断的性格。

5. I feel that airlines should not allow newborn babies aboard their long distance flights.(教材P11)
我觉得航空公司不应该允许新生婴儿乘坐他们的长途航班。

归纳:
aboard (prep.& adv.)在船(飞机、车)上；上船(飞机、车)
go aboard the ship上船
He was already aboard the plane.他已经登机了。

We finally went aboard.我们终于上了船。

拓展:
board (vt.& vi.)上船(飞机、车)；(n.)船舷；甲板
on board在船/火车/飞机上；上船/火车/飞机
Flight B A 193 for Paris is now boarding at Gate 37.
乘坐BA 193次航班前往巴黎的乘客现在可以在37号登机口登机。

There were 50 passengers on board when the ship sank.
船沉时船上有五十名旅客。