1819 Module 2 Section Ⅰ Reading IntroductionReading and Vocabulary1

1、Section Reading Introduction & Reading and Vocabulary(1)新生词汇初识.词义搭配1question Athe work of inquiring into something thoroughly2hereditaryBbecome different；change；make sth.different3investigation Cask what happens4alterDsth.that follows from an action or set of conditions5consequence Erelated to the p

2、assing of physical characteristics through genes【答案】1.C2.E3.A4.B5.D.用下列短语的适当形式填空take after；perform an operation；as a consequence of；under investigation；compared with；get rid of1This improvement seemed insignificant_my failures.2It is said that the cause of the collapse of the bridge is still_.3Your

3、son is so stubborn that he doesnt_you in any way.4The old newspapers take up too much space, and wed better_ them.5After a medical consultation, the doctors decided to_on the patient without delay.6_smoking, my father coughs frequently.【答案】pared with2.under investigation3take after4.get rid of5.perf

4、orm an operation6As a consequence of教材语篇细研.阅读P1617课文内容，完成下面表格Part 1 Thediscoveryof DNACrick and Watson had found the answer to one of the most important questions of biologyhow do living things 1._themselves? Every cell in our body contains our genes, which pass 2._characteristics on to our children

5、.Part 2 Fourstories aboutDNAStory A: John Waters killed a man but the police couldnt 3._him, but after DNA technology invention, scientists found the DNA from Johns cell and that of the cells he left on the victim 4._exactly.Story B: Mike and Julia are very rich and they wanted a goodlooking and int

6、elligent child, so she had a small but very expensive 5._.Part 2 Fourstories aboutDNAStory C: Mark Sawyer is a top athlete and wants to stay that way, so he secretly visited a surgeon and had an operation in which the surgeon inserted an animal 6._into Mark that would make him run faster, so he is a

7、 world champion again.Story D: Clara became pregnant, but hospital tests showed that her child would be born with a terrible 7._illness, so she and her husband decided to get rid of the unborn baby.Part 3questionsto discussWatson and Cricks discovery about DNA was the beginning of enormous advances

8、in the field of 8._.If we start choosing the characteristics of our babies, we are 9._nature in a very direct way.What might the 10._be? There are many important issues to discuss.【答案】1.reproduce2.hereditary3.arrest4matched5.operation6.gene7.inherited8genetics9.altering10.consequences.阅读P22课文内容，完成课文

9、缩写How would you feel if someone gave you an envelope 1._a description of every one of your genes? Its a 2._question to answer.But the fact is 3._scientists have already begun to discover how certain 4._influence us.We have known for a long time that many of our physical characteristics are 5._.For e

10、xample, our eye color and certain diseases are decided by our genes.6._other characteristics, things are not so 7._.Scientists are learning that 8._our genes 9._our environment affect us.Scientists may soon be able to describe our genes 10._ 11._，but it does not mean they will be able to 12._our future with any real success.Nonetheless, the fact is that scientists will be able to r