I am one of the students who _________ English well in my class but he is the only one of us __________ maths well.

A．studies; learns

B．study; learns

C．study; learn

D．studies; learn

属于超长效胰岛素的是（）

A．普通胰岛素

B．门冬胰岛素

C．甘精胰岛素

D．精蛋白锌胰岛素

E．低精蛋白锌胰岛素