【单选题】【消耗次数:1】
I had to complete the assignment by Friday [] otherwise, I would have failed the course.
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【单选题】 If I had remembered __________ the window, the thief would not have got in.
①  to close
②  closing
③  to have closed
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【单选题】 Unbelievable! I have failed my final exam for mathematics!____________
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②  Cheer up.
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【单选题】 对中枢具有兴奋作用的药物是
①  沙丁胺醇
②  扎鲁司特
③  酮替芬
④  倍氯米松
⑤  氨茶碱
【单选题】 氨茶碱的平喘机制不包括
①  促进儿茶酚胺类物质释放
②  抑制磷酸二酯酶,减少cAMP破坏
③  阻断腺苷受体
④  兴奋骨骼肌
⑤  直接激动β2受体
【多选题】 糖皮质激素治疗哮喘的机制有
①  提高中枢神经系统兴奋性
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③  抗炎、抗过敏作用
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【多选题】 属于抗过敏平喘药的是
①  沙丁胺醇
②  氨茶碱
③  色甘酸钠
④  酮替芬
⑤  扎鲁司特
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①  免疫调节和抗炎
②  抑制磷酸二酯酶
③  抑制磷脂酶A2
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⑤  抑制鸟苷酸环化酶
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②  特布他林
③  麻黄碱
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②  酮替芬
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①  正确
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①  正确
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