该病的证候分型是：
A．肝阳头痛
B．气虚头痛
C．肾虚头痛
D．瘀血头痛
E．痰湿头痛
参考答案：A
—David, turn off the TV _____ no one is watching it.
—But it _____ off already! The music is from the radio.[ ]
A. so that; has been turned
B. when; has turned
C. if; has been turned
D. because; has turned
水的比热容为4.2×103焦/（千克•℃），无烟煤的热值是3×107焦/千克，2.1千克无烟煤完全燃烧，将可以放出______焦的热量，这些热量能使______千克40℃的水烧开（100℃）（不计热损失）．
