题目

市场上出售一种“金龙鱼”牌食用调和油,瓶上标有“5L”字样,已知该瓶内调和油的密度为0.92×103kg/m3,则该瓶油的质量为____________kg。 答案:【答案】4.6【解析】解答:已知V=5L=5×10−3m3,ρ=0.92×103kg/m3;由ρ=可得,m=ρV=0.92×103kg/m3×5×10−3m3=4.6kg;Can you believe that in ________ a rich country there should be ________ many poor people? [  ] A.such; suchB.such; so C.so; soD.so; such
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