代表现代社会保障制度萌芽的是19世纪30年代英国颁布并实施的______。
参考答案:《济贫法》
Canberra is the capital of Australia. It is a modern and lively city with a population of over 345,000.
小题1:How far is Canberra from Sydney?
A.25 km
B.238 km
C.345 km
D.507 km小题2:The word “Canberra”means__________.
A.the largest city
B.beautiful man-made lake
C.the old capital city
D.a place for friends to get together.小题3:Canberra Flower Festival is a festival to ________
A.ride bikes
B.visit universities
C.welcome the spring
D.walk around the lake
近期,多家白酒品牌被曝光塑化剂超标,根据检测结果,酒中主要的塑化剂成分是邻苯二甲酸二丁酯(DBP,结构简式为),过量摄入塑化剂会对肝肾功能造成影响,甚至诱发癌症。下列有关说法正确的是
A.DBP的分子式为C16H22O4
B.1mol DBP可以与5molH2反应
C.1mol DBP在碱性条件下水解时消耗4molNaOH
D.DBP所有原子在同一平面内