有x千克苹果,梨是苹果的1.5倍,梨与苹果共______千克.
共有:1.5x+x=2.5x(千克),
答:梨和苹果一共有2.5x千克.
故答案为:2.5x.
When the fire started, Tom was to help all the children out. He is both brave and smart.
A.too calm
B.calm enough
C.too nervous
D.nervous enough
砌块的吊装一般按施工段依次进行,其次序正确的是( ),在相邻施工段之间留阶梯形斜槎。
A.先内后外
B.先近后远
C.先下后上
D.先上后下