苹果2.8元/kg,橘子3.5元/kg。买20kg橘子的钱,可以买多少千克的苹果?
3.5×20÷2.8=25(kg)
—Do you still remember the first time we met, Linda?
—Sure. You a meeting in our classroom.
A.were addressing
B.had addressed
C.addressed
D.address
电子设备室内机柜上的模件安装应在空调投入后进行,并应采取()措施。
A、防静电
B、防潮
C、防触电