【单选题】在“1985国家高程基准中”,以这个基准定的青岛水准原点高程为()
【简答题】在“1985国家高程基准”中,以这个基准测定的青岛水准原点高程为() A72.289m B72.298m C72.260m D72.206m
【单选题】在“1985国家高程基准中”,以这个基准定的青岛水准原点高程为()
【简答题】为什么青霉素 G不能口服?而青霉素V却可以口服? 为什么青霉素G的钠盐或钾盐必须做成粉针剂型?
【简答题】简便计算 ①70.8-1.25-1.75 ②5.81+8.3+4.19+11.7 ③3.54×0.29-0.29×2.54 ④0.25×17.3×0.4 ⑤7.2×9.9 ⑥48×0.69+3.1×4.8.
【简答题】Part B International tourism now is the biggest industry in the world. Unfortunately, someone thinks that its disadvantages overweight advantages. To what extent do you agree or disagree with the abov...
【简答题】竖式计算,并验算. 36×1.05 43.5÷0.29.
【简答题】比较大小:-0.29______-0.31.(填“<”“>”或“=”)