在大型容器中使用氧---乙炔焰切割时，严禁将不使用的并且通有乙炔和氧气的割炬和（）长期放在容器内。
参考答案：胶皮管
It was the training ________ he had as a young man ________ made him so excellent.
A．what; that
B．that; which
C．that; what
D．which; that
甲状腺功能亢进症术前准备通常不包括
A．T3，T4测定
B．喉镜检查
C．控制心率
D．给予氢化可的松
E．测基础代谢率
