单项选择题
Add 3 ml of hydrochloric acid and 100ml of water and shake vigorously根据上文,加入水和盐酸后应()
A.持续振摇 B.间续振摇 C.猛烈振播 D.轻轻振摇 E.边振摇边搅拌
A.根茎 B.果实 C.叶 D.花 E.皮