有一块正方形操场,边长为50米,沿场边每隔一米栽一棵树,问栽满四周可栽多少棵树()
A.199
B.200
C.201
D.202
参考答案:B
In relation to Lesotho’s legal system, explain the advantages and disadvantages of delegated legislation. (10 marks)
福岛机组目前的机组到底有没有发生核心熔毁情况?