1. In the city, where do people live?
A. In houses and on farms
B. In houses or apartment buildings
查看答案
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
What is the book trying to tell us?
A. The differecs between city and country
B. Where do people in the city do?
C. How do people in the country travel?
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