单项选择题
A.smell B.heavy C.light D.chemical
Is that（）（重）cargo?A.smellB.heavyC.lightD.powder
单项选择题Is that（）（重）cargo?
A.smell B.heavy C.light D.powder
That is the （）(湿) cargo.A.wetB.powderC.chemicalD.explo...
单项选择题That is the （）(湿) cargo.
A.wet B.powder C.chemical D.explosive
That is the（）(干粉)cargo.A. smellB. dry powderC. chemical...
单项选择题That is the（）(干粉)cargo.
A. smell B. dry powder C. chemical D. odorous
