下列检测结果那项不正常()
A.尿沉渣镜检RBC2个/HP
B.尿沉渣镜检WBC4个/HP
C.尿内偶见透明管型
D.尿胆红素定性试验阳性
E.尿胆原定性试验得阳性
参考答案:C
TD-LTE中关于附着与默认承载关系,下面说法正确的是()。
A、只要附着就会建立默认承载
B、附着时不会建立默认承载
C、附着过程不一定建立默认承载
D、附着过程与建立默认承载没必然联系
It () around six o'clock when I drove back yesterday because it was already dark.
A. must have been
B. must be
C. was to be
D. had to be