What ___________ she doing now?[ ]
A. does
B. is
C. are
D. was
答案:B
终末血尿伴尿频、尿急、尿痛为()
A.肾结核的血尿特点
B.肾肿瘤的血尿特点
C.肾结石的血尿特点
D.肾盂肾炎的血尿特点
E.膀胱炎的血尿特点
If y≠3 and is a prime integer greater than 2, which of the following must be true ?()
Ⅰ.x=y
Ⅱ.y=1
Ⅲ.x and y are prime integers.
A.条件(1)充分,但条件(2)不充分.
B.条件(2)充分,但条件(1)不充分.
C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
D.条件(1)充分,条件(2)也充分.
E.条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.