霍乱患者腱反射消失，鼓肠、心搏无力，心电图Q-T时限延长，出现U波，原因为（）
A.低钠
B.高钠
C.高钾
D.酸中毒
E.低钾
参考答案：E
He asked me _____ he could go to visit some museums during the trip.[ ]
A. when
B. if
C. what
D. where
通草的气味为（）
A．气微，味涩
B．无臭，味微涩
C．无臭，无味
D．气微香，味微苦
E．气芳香，味苦
