题目

It is recommended that the project ________ until all the preparations have been made.  A. is not started     B. will not be started  C. not be started    D.is not to be started 答案：C小明家的电子式电能表表盘上标有“3200imp/（kWh）”字样．为测电暖器实际消耗的功率，小明将标有“220V 1000W”字样的电暖器单独接入自家电路中，观察电能表上的指示灯在1min闪烁48次，则电暖器消耗的电能是kWh，该电暖器的实际功率是W．