题目

What kind of program are they going to watch?A.Travels. B.Foods. C.Cartoons. 答案：【答案】C【解析】【原文】W: Dad, I finished my homework now. It's time to watch a cartoon.M: Good idea. Let's watch the Prince of Egypt.关于变异的说法正确的是（　　）A．变异都是可遗传的B．由基因突变引起的变异是不可遗传的C．生物的变异都是有利变异D．生物具有相对性状是变异结果