A:He is at school.
B:He is ill.
C:She is at home.
蚀____ 掠____ 拔____ 燎____ 蹄____
浊____ 琼____ 钹____ 獠____ 啼____
The books are on the desk. Can you see________?
如图为不同浓度的生长素对植物不同器官的作用关系.请据图回答: