试验法是通过专门的仪器和设备在施工现场确定材料消耗定额的一种方法。
参考答案：错
银行客户经理小杨与其客户小陈在一次交谈中无意得知小陈想变更其资金投资方向，次日小杨直接按照小陈希望的投资方向进行变更，这种做法是正确的。( )
In relation to the Labour Contract Law of China:
(b) explain the provisions contained in a labour contract that would be regarded as invalid or partially invalid; (3 marks)
