— ________________________
— He's thin and short.
A:What's he like?
B:What's she like?
C:What do you like?
表丙:不同浓度的油菜素内酯水溶液对芹菜幼苗生长影响的实验结果(a~e依次增大)
组别
清水
浓度a
浓度b
浓度c
浓度d
浓度e
平均株高/cm
16
20
38
51
42
24
观察如图板块运动演示实验,说法正确的是( )