箭舌豌豆要求土壤pH（）。
A、3～6
B、8.5～9
C、9.5～10
D、6.5～8
参考答案：D
—Is Jessica giving us a speech this evening?
—No, it _________ be her．She _________ to Japan．
A．mustn't；has gone
B．mustn't; has been
C．can't; has gone
D．can't; has been
软胶囊
A．共沉淀法B．乳化-固化法C．溶剂-非溶剂法D．逆相蒸发法E．滴制法
