前列腺炎时,对前列腺液的描述,错误的有()
A.外观常无明显改变
B.白细胞常超过10个/HPF
C.上皮细胞量减少
D.卵磷脂小体减少
E.有时可见到少量红细胞
参考答案:A
对于任意实数x,多项式x2﹣2x+8的值是一个 [ ]
A.非负数
B.正数
C.负数
D.无法确定
My best friend Tim is studying in ______ school now, I can't play with him. I really miss him. [ ]
A. other
B. another
C. others
D. the other