题目

情景交际W: Good day, sir. Where do you want to go?M: Sogo (百货公司), on Jiefang East Road.W: OK. By the way, what do you want to buy?M: Well, I bought a computer yesterday and just ask how to (下载文档). I am (不熟悉 ) the type of computer.W: I think you had better (专业的) man.M: Well, What do you plan to buy?W: (我的镜子) was broken the other day. I can't do it for a day without it, haha.M: You really love beauty. I would like to look at (数码相机).W: That's too great. I like it. May I (提出建议) for you?M: Of course. You are so kind!3、下列有关变异和进化的叙述,不正确的是 A.基因突变、基因重组和染色体变异产生进化的原材料 B.基因突变只能够产生新的基因,不会产生新的基因型 C.控制酪氨酸酶的基因异常引起白化症状,说明基因可通过控制酶的合成控制生物性状 D.不同物种之间、生物与无机环境之间在相互影响中不断进化发展,这就是共同进化
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