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
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