耳鼻喉手术表面麻醉常选用
A．丁卡因
B．普鲁卡因
C．可待因
D．利多卡因
E．布比卡因
参考答案：A
如何保管橡胶制品？
It is really a bad news that after his father died last year his mother ______ a terrible disease this year! How sad he is now!
A．picks
B．develops
C．takes
D．receives
