对荨麻疹疗效较好的口服药物是
A.色甘酸钠
B.地西泮
C.西沙必利
D.肾上腺素
E.氯苯那敏
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。
____ with a difficult situation, Mr Smith made up his mind ____ his boss for advice.
A.Facing; to ask
B.To face; asking
C.Faced; to ask
D.Having faced; asking
预制预应力桥梁成品必须经()合格方可出场。