属于致幻剂的是
A．酒精B．可卡因C．海洛因D．丙酮E．仙人掌毒素
参考答案：E
咯血伴皮肤黏膜出血，在下列疾病中不常见的是（）
A.肺癌并纵隔淋巴结侵犯
B.血液病
C.出血型钩体病
D.风湿热
E.流行性出血热
We thought it was he who did it, but it _________ that he wasn’t even there.
A．turned up
B．turned down
C．turned off
D．turned out
