【判断题】流量控制阀是依靠改变节流口的大小来调节通过阀口的流量。
【判断题】判断题:流量控制阀是依靠改变节流口的大小来调节通过阀口的流量。
【单选题】某电影制作企业临时到外地拍摄,其在外地设立的摄制组可以开立的账户 ( )
【判断题】自行建造投资性房地产期间,发生的土地开发费、建筑成本、安装成本等都计入投资性房地产成本
【简答题】求 0.05 mol∙dm -3 KHC 2 O 4 溶液的 pH ,如果加入等体积的 0.1 mol∙dm -3 K 2 C 2 O 4 溶液后,则溶液的 pH 又为多少 ? ( K a1 ө = 5.9 × 10 -2 , K a2 ө = 6.4 × 10 -5 )
【判断题】VLOOKUP函数的功能是在表格或数值数组的首列查找指定的数值,并由此返回表格或数组中该数值所在行中指定列处的数值。
【单选题】听力原文:W: Air pollution is one of the most serious problems in the world. Polluted air can make us sick or even kill us. Why isn't more done to stop it? M: Everyone wants to stop it, but it is a difficu...
A.
Most people don't think it is a serious problem.
B.
Most of our pollution is caused by things people need.
C.
The government has not spent enough money to stop it.
D.
The seriousness of pollution has not been realized by the government.
【简答题】开户单位支付个人劳务报酬,可以支付现金。
【单选题】为了便于识别货物,便于运输、仓储、检验和海关等有关部门工作的进行,以及便于收货人收货,在商品运输包装上需要按合同规定刷写一定的( )。