问题
选择题
—Hi, David, I heard you had an accident this morning．
—Yes．Luckily, I hit the brakes in time ______ I would have been injured badly．
A．and
B．but
C．or
D．so
答案
C
搜题请搜索小程序“爱下问搜题”
—Hi, David, I heard you had an accident this morning．
—Yes．Luckily, I hit the brakes in time ______ I would have been injured badly．
A．and
B．but
C．or
D．so
C
下表为某电饭锅的主要参数．由此可知，在额定电压下工作，通过电饭锅的电流约是 ______A，电饭锅正常工作0.5h，消耗的电能是 ______kW•h．
| 额定电压 | 220V |
| 额定功率 | 900W |
| 额定频率 | 50Hz |
| 额定容积 | 5L |