联合国国际贸易法委员会是当今世界统一国际贸易法方面最有权威性、最重要的机构之一。( )
参考答案：对
The company turned a deaf ear to the workers’ _____ about their pay and working conditions.
A．complaints
B．application
C．supplies
D．consequences
岩石的比重是指单位体积的致密岩石的重量。（）
