题目

如图所示为有“两母一父”的“三亲”婴儿的体外培育过程。已知人类的基因有99.8%由父母双方共同提供，还有一小部分完全来自母方的细胞质。以下说法不正确的是( ) A . 该过程为有性生殖过程 B . 该婴儿的大部分遗传物质来自捐献者 C . 图中①表示受精 D . 受精卵发育初期营养来自捐献者卵细胞 答案：B–If I work hard at my lessons from now on, can I do well in them?-- Sure. _________.A. All rivers run into the sea B. Every day is not SundayC. Better late than never D. Practice makes perfect C 【解析】试题A. All rivers run into sea海纳百川；B. Every day is not Sunday好景不常在；C. Better late than never迟做胜过不做； D. Practice makes perfect熟能生巧；句意：如果我从现在开始努力学习，我能学好吗？当然，总比不做要强。故选C。