1. In the city, where do people live?
A. In houses and on farms
B. In houses or apartment buildings
离心泵输送液体密度大于标定离心泵所用水的密度时,必须进行功率校核。
A. 对
B. 错
下列不符合去皮质强直表现的是:
A. 上肢屈曲外展
B. 腕及手指屈曲
C. 双下肢伸直
D. 足屈曲
E. 四肢肌张力增高,双侧锥体束征阳性
How do people travel in the city?
A. By trucks and by tractors
B. by taxi and subways