不需要患者做皮肤过敏试验的药物是
A.青霉素
B.青霉胺
C.普鲁卡因青霉素
D.阿莫西林
E.胰岛素
参考答案:E
解析:胰岛素不会产生皮肤过敏性,不需要做皮试。
—It’s reported that a big shopping centre will be built in Hexi New Town.
—Really? I think it’s good news for my mother bad news for my father.
A.and
B.but
C.or
D.yet
简述通信杆、角钢塔、单管塔的塔角包封流程?