问题
选择题
When _____ comes to codes of ethics, I think everyone should strictly obey them. [ ]
A. that
B. this
C. it
D. one
答案
答案:C
When _____ comes to codes of ethics, I think everyone should strictly obey them. [ ]
A. that
B. this
C. it
D. one
答案:C
如果用如图所示表示各种概念之间的关系,下列选项中与图标相符的是( )
选项 | 1 | 2 | 3 | 4 |
A | 卵细胞 | 胚珠 | 子房 | 雌蕊 |
B | 基因 | DNA | 染色体 | 细胞核 |
C | 植物体 | 植物器官 | 植物组织 | 植物细胞 |
D | 人体系统 | 人体器官 | 上皮组织 | 肌肉组织 |
A.A
B.B
C.C
D.D