题目内容

关于异丙托溴胺的描述,下列哪项正确

A. 作用机理与肾仁腺素相似
B. 作用机理与氨茶碱相似
C. 可用于预防哮喘发作
D. 可用于控制哮喘发作
E. 吸入后维持作用时间较沙丁胺醇短

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关于胸膜炎的说法不正确的是

A. 胸膜炎包括干性胸膜炎、浆液性胸膜炎、化脓性胸膜炎
B. 纤维素性胸膜炎见于结核和细菌感染
C. 浆液性胸膜炎多由结核、腺病毒引起
D. 渗出液与漏出液的不同之处在于渗出液胸水LDH/血清IDH<0.6
E. 化脓性胸膜炎的常见致病菌是金黄色葡萄球菌

哮喘重度发作时的血气变化为

A. pH↑,PaO2↓
B. PaO2↓,PaCO2
C. pH↑,PaO2
D. pH↑,PaCO2
E. pH↓,BE↓

She was so stubborn that she wouldn’t change her opinions.

A. unwilling
B. talented
C. obstinate
D. determined

Losing the job was bad, but even worse was the feeling that I had ____ my dear wife and children.

A. let alone
B. let down
C. let off
D. let up

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