—______________—She has a round face, big eyes and a small mouth.
A:Where does Ann come from?
B:What does Ann look like?
C:What does Ann do?
下列有关细胞癌变的描述中,不正确的是( )
下图是某兴趣小组设计的四个实验装置,其中实验操作设计正确的是( )
促进森林古猿进化成为人类的根本原因是( )