血浆黏度增加见于（）
A.DIC
B.某些病毒感染
C.多发性骨髓瘤
D.肝硬化
E.真性红细胞增多症
参考答案：C, D
Failure hurts adults and children ______ , but it can make a positive contribution to your life once you learn to use it.
A．alike
B．likely
C．similarly
D．actively
The boy is playing____ piano. He isn’t playing ___ basketball.
A. a, a B. the , / C. /，/
