Section Ⅳ　Using Language

　　Part Ⅰ

　　第一步　速读--了解文章主题和段落大意

　　速读P64－65教材课文，匹配段落大意

　　1．Para 1　　 A．advantages and disadvantages

　　2．Para.2 B．DNA in helping solve the crime

　　3．Para.3 C．procedure

　　4．Paras.4－7 D．cloning

　　5．Para.8 E．DNA and gene

　　[答案]　1－5　ECDAB

　　第二步　细读--把控文章关键信息

　　细读P64－65教材课文，判断正(T)误(F)

　　1．The science of genetics and cloning is recent.(　　)

　　2．Cloning can make a new individual out of a single cell. (　　)

　　3．A clone has its advantages and disadvantages.(　　)

　　4．Stem cells can be used to solve crimes.(　　)

　　5．To rely on a few cloned animals or crops would enrich the biodiversity of the breed.(　　)

　　[答案]　1－5　FTTFF

　　第三步　研读--能力升华　接轨高考

　　根据P64－65教材课文，在空白处填入1个适当的单词或括号内单词的正确形式

　　Cloning takes the DNA from a single cell 1.to create(create) a whole new individual. A clone is an organism, which is 2.genetically(genetic) identical to another one. But it's now certain that no clone is 3.an exact copy because of differences in 4.experiences(experience) and upbringing.

Cloning humans 5.is(be) controversial. For example, a doctor wants to offer cloning as an optional treatment for couple who find 6.it difficult to have children. But