可产生骨髓和肝脏损害的药物有()
A.丙戊酸钠
B.非氨脂
C.卡马西平
D.苯巴比妥
E.苯妥英钠
参考答案:A, B, C, E
Some wild animals are in danger _____ the loss of living areas.[ ]
A. as
B. since
C. because of
D. because
采用绳夹连接的钢丝绳直径≤18mm,最少应用()个绳夹。
A.1
B.2
C.3
D.4