问题
选择题
People don’t work working.It’s not work itself that’s important to them but such a joy in doing work well.
A.to the advantage of
B.in harmony with
C.not to mention
D.for the sake of
答案
答案:D
People don’t work working.It’s not work itself that’s important to them but such a joy in doing work well.
A.to the advantage of
B.in harmony with
C.not to mention
D.for the sake of
答案:D
夏季炎热,瑞瑞的妈妈买了一台冷热两用的空调安装在他的房间.这台空调的说明书中主要数据如表,请回答:
电源电压 | 220V |
频 率 | 50Hz |
额定制冷功率 | 1320W |
额定制热功率 | 1420W |
(2)空调连续正常制冷30min消耗的电能______kW•h.
(3)夏季经常遭遇电力紧张,请你说出一种使用空调可以节能的做法.答:______.