“A”级绝缘材料允许温度()。
A.120°
B.105°
C.降低
参考答案:B
— I was riding along the street and all of a sudden, a car cut in and knocked me down.
— You can never be________careful in the street.[ ]
A. much
B. very
C. so
D. too
国 * * 护老年 * * 益的措施有()
A、老人有从国家和社会获得帮助的权利
B、国家建立养老保险制度
C、国家建立多种形式的医疗保险制度
D、老年人的婚姻自由受法律保护