核电是一种高效能源,也是一种高危能源。例如会泄露出,当达一定浓度时,会对人体有伤害。中质子数比中子数少[ ]
A.131
B.53
C.25
D.78
答案:C
In relation to employment laws, discuss the scope of:
(i) the Workmen’s Compensation Act, 1923; (5 marks)
艰苦创业的最终目的是什么?