当归可用于治疗（）
A．血虚肠燥便秘
B．食积腹痛便秘
C．阴虚肠燥便秘
D．实热积滞便秘
E．津枯肠燥便秘
参考答案：A
______ money is important, many teenagers say they want to do jobs they enjoy.
A．Because
B．Unless
C．If
D．Although
心源性水肿的特点是水肿首先出现在身体______部位。
