急进型高血压时,增生性小动脉硬化及坏死性细动脉炎主要发生于
A.大脑
B.肾
C.心
D.脾
参考答案:B
- The price of a hotel room here is about 320 yuan one night.
- How________it is! [ ]
A. high
B.big
C.tall
D. small
大管径空气流量的测量多采用孔板。