煤矿井下常用的电缆有铠装电缆、塑料电缆和橡套电缆。（）
参考答案：对
The total ( ) of this shipment is 1000 tons.
A．value
B．quantity
C．weight
D．package
Under the Companies Ordinance, 1984;
(a) define a ‘chief executive’; (3 marks)
