龙眼肉的功效是()
A.补益心脾,养血安神
B.补血止血,滋阴润燥
C.养血调经,平肝止痛
D.补益精血,润肠通便
E.补血调经,活血止痛
参考答案:A
—_____ he play basketball?
—Yes, he can. [ ]
A. Is
B. Do
C. Can
D. Does
压实砂型的压力大于或等于()时为高压造型。
A.700MPa
B.70MPa
C.7MPa
D.0.7MPa