— Is it possible that you ________ it at home?
A:lost
B:saw
C:left
D:gave
老师为同学们提供了如图所示的实验装置:
小小细胞奥秘多,前人艰辛探索。下列关于细胞的说法中正确的是( )
A. a big city B. on foot C. are different from
D. last night E. talked about F. has got