下列图示实验操作正确的是（ ）
滴加液体
读取液体体积
浓硫酸稀释
蒸发结晶
--- What is your favourite sport? --- Swimming, I think. It's of all.
---I use your ruler, Lingling? --- Sure. Here you are.
--- Do you like watching TV? ---Yes, I. But only after I finish my homework.
Li Yan is my best friend. She comes a small village.
How is your father? Please say hello to ______ for me.
滴加液体
读取液体体积
浓硫酸稀释
蒸发结晶
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