—Is that your brother?
—Yes, _______[ ]
A. he is
B. he isn’t
C. it is
D. it isn’t
答案:C
从240里连续减去□个8,结果等于0。□内应填[ ]
A.232
B.829
C.8
D.30
有关SARS患者的外周血象,错误的是()
A.白细胞总数正常或偏低
B.常有淋巴细胞计数减少
C.CD+4、+8CD细胞计数均降低
D.血小板可减少
E.常可见到异型淋巴细胞