根据录音,选择合适的答案() 查看材料
A. The man has lost his computer.
B. The woman looks unhappy.
C. The man is worried about his fries.
D. The woman broke the computer.
根据录音,选择合适的答案() 查看材料
A. He hates shopping in a small shopping place.
B. He would rather go shopping on Sunday.
C. Nobody would go shopping on Saturdays.
D. The woman always keeps him waiting.
从分子水平上看,细胞分化的实质是()。
A. 特异性蛋白质的合成
B. 基本蛋白质的合成
C. 结构蛋白质的合成
D. 酶蛋白的合成
E. 以上都不是
细胞分化是()的结果。
A. DNA复制水平的调控
B. 选择性转录
C. 翻译水平的调控
D. 转录和翻译水平上同时发生的调控
E. 以上都不是