问题
单项选择题
细胞周期中，DNA合成是在（）
A.Gl期
B.S期
C.G2期
D.M期
E.G0期
答案
参考答案：B
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细胞周期中，DNA合成是在（）
A.Gl期
B.S期
C.G2期
D.M期
E.G0期
参考答案：B
| 从方框中选择正确的疑问词将句子补充完整。 | |
— I usually go to school by bike. 2. — ____________ is the science museum? — It's next to the cinema. 3. — ____________ are you going to do this weekend? — I'm going to visit my grandparents. 4. — ____________ do you go to the library every Sunday? — Because I like reading books very much. 5. — ____________ is going to take a trip next week? — My father is. |