可以通过气雾剂吸入的是
A．甲泼尼龙B．泼尼松C．地塞米松D．二丙酸倍氯米松E．酮替芬
参考答案：D
在△ABC中，AB=AC=3，BC=2，则6cosB的值为（ ）。
A warm thought suddenly came to me _______ I might substitute the hero to buy some flowers for his mother’s 60th birthday.
A．if
B．when
C．that
D．which
