"Please ____ the coat." the clerk said.[ ]
A. try to
B. try on
C. try your best
A. try
答案:B
_____, the population of China is the largest in the world. [ ]
A. It is known that
B. As is well known
C. Which is well known
D. We all know that
透射电镜下的Auer小体,下列叙述不正确的是()
A.透明的棒状体,内有疏松的纤维状物质
B.内含电子密度低的颗粒,兼有膜样结构
C.电子密度高的杆状或裂片状包涵体
D.Auer小体常位于溶酶体区内
E.Auer小体常见于急粒,也可见于急性单核细胞性白血病