DiAmonD是:()。

You see a vessel carrying a black diamond which indicates a （).A.vessel towing asternB.bar

听力原文：W: I found an expensive diamond necklace in the rest room this morning.M: If I we

The diamond is a solid and the air is a （fluid).选择能代替括号里的选项A、gasB、liquidC、cu

The "Lost Diamond"______to be in the safe all the time.A．turned intoB．turned upC．turned ou

An Australian company is prepared to give away color TV sets, fur coats, diamond rings and

According to Vera Diamond crying should be______.