G-B-#D-#F是增大七和弦。
参考答案:对
-- Hello, this is Jack. Mary I speak to Tom?
-- Sorry, he isn't in at the moment. If he back, I'II ask him to call you back.
A.come
B.comes
C.have come
D.came
为早日实现中国梦,现代社会提倡“绿色出行、低碳生活”以达到节能环保的要求.太阳能由于清洁环保得以大力开发,小明家太阳能热水器内盛有25℃的水50kg,在阳光照射下水温升高到65℃,这些水吸收的热量为______J.[c水=4.2×103J/(kg•℃)].