关于多发性骨髓瘤,正确的是()
A.贫血
B.反复感染
C.骨质疏松
D.骨髓中不成熟粒细胞比例增高
E.血中出现异常免疫球蛋白
参考答案:A, B, C, E
It is the test system, ________ the teachers, that is to blame for the heavy burden of middle
school students nowadays.[ ]
A. other than
B. or rather
C. rather than
D. more than
计算机网络最突出的特征是______。
A.运算速度快
B.运算精度高
C.存储容量大
D.资源共享