问题
选择题
细胞分化的过程中，不会出现[ ]
A．细胞表面结构的改变
B．细胞器种类和数量的改变
C．蛋白质种类和数量的改变
D．细胞核遗传物质的改变
答案
答案：D
搜题请搜索小程序“爱下问搜题”
细胞分化的过程中，不会出现[ ]
A．细胞表面结构的改变
B．细胞器种类和数量的改变
C．蛋白质种类和数量的改变
D．细胞核遗传物质的改变
答案：D
| 阅读理解 | ||||
| ||||
| 1. The above job ads are probably from __________. | ||||
| A. a newspaper B. a story C. a science book D. a guide book | ||||
| 2. If the owner of the large house asks a cleaner to tidy his house twice a week, how much will the cleaner get in a month? __________. | ||||
| A. $120 B. $160 C. $200 D. $240 | ||||
| 3. If you are a college student of English who enjoys writing during your summer holiday, you will be more interested in the job in __________. | ||||
| A. ad(1) B. ad(2) C. ad(3) D. ad(4) |