Children get tired of learning often because they _____ to do better than they can both at school and at

home.[ ]

A. hope        

B. are hoped      

C. expect        

D. are expected

桑叶、菊花功效的共同点是（）。

A.疏散风热、清肝平肝

B.清肝平肝、疏肝行气

C.清肺润燥、清热解毒

D.利咽透疹、清利头目

E.通窍止痛、消肿排脓