马兜铃临床多用蜜炙品的原因是()
A.生品味酸,易损齿伤筋
B.生品味劣,易致恶心呕吐
C.生品苦寒,易致腹痛
D.生品易引起泄泻
E.生品易引起头晕
参考答案:B
—Look! Here is a message on my mobile phone, asking me to send money to....
—Don’t believe it! It’s a trick. More than one person _____ by such tricks so far.
A.had been cheated
B.was cheated
C.have been cheated
D.has been cheated
传染病只有在发病时才有传染性。[ ]