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【单选题】
患者，男，14岁，气喘发作2小时，检查发现呼吸急促，三凹征，缺氧，心率130次/分。1.除给予吸氧外，还应立即给予A.
沙丁胺醇+肾上腺素
B.
肾上腺素+青霉素
C.
倍氯米松+沙丁胺醇
D.
氨茶碱+肾上腺素
E.
肾上腺素+色甘酸钠
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