Where's my schoolbag?[ ] A. It's in the

冰片的功效是

A．活血止痛

B．清热止痛

C．辟秽祛浊

D．化湿和胃

E．清心化痰

—Do you know ______?

—Yes. She is doing her homework. [ ]

A. what is your sister doing

B. what your sister is doing

C. when your sister is doing homework

D. where is your sister doing homework

下列物质中，不能向人体提供能量的是

A．维生素

B．油脂

C．蛋白质

D．糖类

骨髓增生明显活跃，大量幼稚细胞中有柴捆样Auer小体，POX染色强阳性，CD34-，HLA-DR-，CD13+，CD33+，最可能的诊断为( )

A．AML-M₅
B．AML-M₃
C．AML-M₂
D．AML-M₁
E．AML-M₄

从节能效果来说，下列几种窗框材料中最好的是（）

A、普通铝合金

B、断热铝合金

C、钢窗