发布时间 : 星期六 文章2018版高中英语北师大版选修七学案：Unit 20 New Frontiers Period Three Lesson 3 Scientific Breakthroug更新完毕开始阅读
Period Three Lesson 3 Scientific Breakthroughs
Ⅰ.重点单词
1. n.困境，进退两难的窘境 2. n.步骤；程序 3. vt.捐赠；赠送 n.捐赠；赠送 4. vi.通信；符合 5. adv.同时 6. vi.分开，分离 7. adj.直言的，坦率的 8. n.后果，结果 9. vt.治愈 10. n.专利 Ⅱ.重点短语
1. 更不用说
2. 在……到……之间变化或变动 3. 计算出；弄清楚 4. 依据，按照 5. 转向；求助于；翻到 6. 熄灭 Ⅲ.重点句式 1.be doing...when...
In the summer of 1905，this outspoken young man was rocking his one-year-old baby he was suddenly inspired.
1905年的夏天，这位直率的年轻人正摇着他一岁大的孩子，这时他突然产生了灵感。 2.“介词＋关系代词”引导定语从句
He double-checked and saw a blue mould in the dish around the bacteria had been destroyed.
他仔细检查了一下，看到碟子里有一种蓝色的霉斑，其周围的细菌都被消灭了。 3.There is no doubt about...
There is no doubt it. 此事毋庸置疑。
Ⅰ.根据课文内容判断正(T)、误(F)
1.Einstein was at work when he thought of the formula “E＝mc2”.( ) 2.The person who discovered penicillin was Alexander Fleming.( )
3.Fleming had been studying bacteria in his laboratory when the discovery happened.( ) 4.During the Second World War，Fleming’s discovery helped to cure plenty of people.( ) 5.Percy Spencer discovered microwaves by mistake.( ) Ⅱ.课文阅读理解
1.Why would people have a real dilemma，if they had to choose the single most important discovery of the 20th century?
A.Because different people have different ideas and it’s difficult to choose. B.Because there were no great discoveries in the 20th century. C.Because there was no common standard to judge.
D.Because so many amazing discoveries were made in medicine，communications，transport and many other fields，and they all had a great influence on the world. 2.How did Einstein think of the equation “E＝mc2”？ A.When he was at work. B.His assistant helped him.
C.When he was rocking his one-year-old baby，he was inspired. D.His dream inspired him.
3.Whose discovery can be used to save people’s lives according to our text? A.Alexander Fleming’s. B.Edwin Hubble’s. C.Albert Einstein’s. D.Eckert and Mauchly’s.
4.What’s the original purpose of designing the first computer? A.To do some difficult experiments. B.To improve the accuracy of the missiles. C.To help people make mathematics calculations. D.To replace the missiles，becoming a new weapon. 5.Which of the following is NOT true according to the text? A.Hubble discovered our galaxy is bigger than we thought it was.
B.The blue mould was in fact the natural form of penicillin.
C.Today it’s impossible to donate your heart to hospital when you die. D.The first computer was hard to program.
重点词汇
1.Medical advances ranged from discovering the causes of diseases under microscopes to surgical procedures replacing diseased organs with donated ones. 人们在显微镜下看到了致病的原因，掌握了用捐献的器官来替换染病器官的外科手术程序，诸如此类都是医学取得的进步。 [归纳拓展1]
range from...to...在……到……之间变动 range v.变动，排列；n.范围 a range of一系列；一些；一套 [语境助记1]
(1)The prices of the dolls range from $5 to $100. 那些布娃娃的价格从5美元到100美元不等。
(2)The assistant in the library ranged the books on the shelves. 图书馆里的管理员把书架上的书排列好了。
(3)Our funds were limited，and none of the houses in our price range seemed satisfactory. (2015·天津)
我们的钱很有限，在我们价格范围内的房子都不令人满意。
(4)To answer these questions，Brooks surveys a wide range of disciplines.(2015·湖北) 为了回答这些问题，Brooks调查了大量的学科。 [题组训练1] (1)完成句子
①边界从北部山地一直延伸到南部海岸。
The frontier the northern hills the southern coast. ②新药上市前要经过一系列的测试。
A new medicine should go through tests before being put on the market. (2)单句改错
Ranged from 5 to 100 dollars，the prices are reasonable. [归纳拓展2]
(1)donate vt.捐赠；赠送 donate sth.to...向……捐赠某物 (2)donation n.捐赠；捐赠物；捐款 give/make a donation to...向……捐赠 (3)donator n.捐赠者 [语境助记2]
(1)He donated $1,000 to build the bridge. 他为建桥捐了1 000美元。
(2)Our school will donate 500 copies of books to your class.(2015·天津) 我们学校将向你们班捐赠500本书。
(3)I have made a donation to help the survivors of the earthquake. 我已经向那些在此次地震中的幸存者捐了款。 [题组训练2] 单句语法填空
(1)It is reported that the government will give all private (donate) to flood-stricken areas. (2)He donated 100,000 yuan the Hope Project for those who can’t afford their education.
(3)The doctor is looking for a (donate) for a patient whose blood style is very scare. 2....the way we correspond went from writing letters to emailing. ……我们通信的方式由过去的书信发展为电子邮件。 [归纳拓展]
correspond vi.通信；相类似；相应；一致；符合 correspond with sb.与某人通信 correspond with/to与……一致；符合 correspond to类似于，相当于…… [语境助记]
(1)Have you been corresponding with him since you graduated from the university? 自从大学毕业后，你一直和他通信吗？
(2)The translation does not quite correspond to the original.