Unit 4 Scientists who changed the world
根据词性和汉语提示，写出下列单词
1．survive v．生存；幸存→ survival n．生存，存活；残存物，幸存事物→survivor n．幸存者
2．intend vi.& vt.想要，计划；意指→intention n．打算，计划
3．refer v．查阅，参考；提到，谈及→reference n．提到，谈及；参考，查阅；参考书目
4．limit n．限度；极限；范围→ limited adj.有限的
5．contain v．容纳→ container n．容器；集装箱，货柜
6．wise adj.明智的→wisely adv.明智地→wisdom n．智慧，才智，明智；知识，学问
7．benefit n．优势；益处→ beneficial adj.有益的，有用的
1．wisdom n．智慧，才智，明智；知识，学问
①The government in its wisdom has decided to support the ban.智慧
②Many Tibetans have expressed doubts about the wisdom of the decision.明智
③The received wisdom is that they cannot win.知识
2．refer to 查阅，参考；提到，谈及；指的是
①Her mother never referred to him again.提到，谈及
②This paragraph refers to the events of last year.涉及，指的是
③You may refer to your notes if you want.查阅，参考
Words and Phrases
　survival n．生存，存活；残存物，幸存事物
(教材P44)　Thanks to her discovery of qinghaosu，malaria patients all over the world now have had a greatly increased chance of survival.
由于她发现了青蒿素，世界各地的疟疾患者现在有了极大的生存机会。
[例1]  If you develop AIDS，your chance of survival is very small.
如果你得了艾滋病，生存的概率很小。
[例2]　The ceremony is a survival from pre­Christian times.
这种仪式是从公元前遗留下来的。
[造句]　如果癌症早被发现，存活的概率就高。
If cancers are spotted/discovered early，there's a high chance of survival.
[知识拓展]
(1)survive vt.& vi.    生还；残存；比……活的时间长
        仅靠……维持生计
survive         比某人多活……
(2)survivor n.        生存者；残存者；幸存者
[即学即练]　单句语法填空
①She survived her husband by twenty years.
②Life became a struggle for survival(survive).
③Luckily，most of the passengers survived(survive)the terrible accident.
④Millions of people survive on a very limited diet.
　intend vi.& vt.想要，计划；意指
(教材P44)　In the 1960s，many people were dying of malaria，and in 1969 Tu became head of a team that intended to find a cure for the disease.
20世纪60年代，许多人死于疟疾。1969年屠呦呦担任了一个课题组的组长，这个课题组计划到该疾病的方法。
[例1]  I intend that you(should)be invited by them.
我打算让他们邀请你。
[例2]　What do you intend doing when you get to this place?
你打算到这里干什么？
[造句]　他打算明年去国外留学。
He intends to study/studying abroad next year.
[知识拓展]
(1)intend to do/doing sth.    打算做某事
do sth.        打算让某人做某事
(2)intended adj.        打算的；计划的
be         为……打算(或设计)的
be intended         打算做……
(3)intention n.        意图，目的；企图
with the intention of        有……的打算/目的
have no intention of doing sth.
＝have no intention to do sth. include和contain    无意做某事
without intention        无意地，不是故意地
[即学即练]　单句语法填空
①He went to Paris with the intention(intend)of learning French.
②He intends his son to manage(manage)the company.
③I had intended(intend)to do it，but I'm sorry I forgot.
④This is a new book intended(intend)for little children.
　refer to 查阅，参考；提到，谈及
(教材P45)　When they failed to produce any promising results，Tu referred to the ancient books of traditional Chinese medicine again.
当它们未能产生预期效果时，屠呦呦再次查阅历代中医典籍。
[例1]　In his speech，he referred to a recent trip to Canada.
在他的讲话中，他提到了最近的加拿大之行。
[例2]　Marcia had referred to him as a dear friend.
玛西娅把他称为好朋友。
[造句]　我答应过再也不提这事了。
I promised not to refer to the matter again.
[知识拓展]
(1)refer v.      参考；提到；查阅；涉及
        把……提交给……
as...        把……看作……
(2)reference n.        参考，查阅；提到，谈及；
    介绍信，介绍人
make(a)reference to        谈及，提及；参考
in/with reference to        关于
reference book        参考书；工具书
[即学即练]　单句语法填空
①He made no reference(refer)to his illness but only to his future plans.
②He is referred(refer)to as a living Lei Feng.
③The question referred to at the meeting is hard to answer.
④I have nothing to say in/with reference to that case.
　(教材P45)　However，it was hard to produce enough qinghao extract for large trials because research resources were limited．
然而，由于研究资源有限，难以生产出足够的青蒿提取物进行大型试验。
(1)trial n．试用，试验；审讯，审判；考验
vi.& vt.测试，试验
[例1]　She agreed to employ me for a trial period.
她同意试用我一段时间。
[例2]　We had the machine on trial for a week.
这台机器我们已经试用了一个星期。
[造句]  我把车开出去在公路上试了一下。
I took the car out for a trial on the roads.

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