[多项选择]阿司匹林的鉴别试验有 A. 钠焰反应 B. 三氯化铁呈色反应 C. 水解反应 D. 紫外光谱法 E. 红外光谱法
参考答案:B,C,D
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第1题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. She thinks Allen is a thief. B. She thinks Allen is clever. C. She thinks Allen took her earrings by mistake. D. She thinks Allen is a suspect. 参考答案:C 答案解析:[听力原文]
M: Do you think Allen took your earrings
W: Yes, but I think it was u mistake. She’d never
第23题: [单项选择]乳房Paget病是指 A. 乳头湿疹样乳腺癌 B. 炎性乳腺癌 C. 浆细胞性乳腺炎 D. 乳腺结核病 E. 男性乳房肥大症 参考答案:A 答案解析:Paget病是指乳头湿疹样乳腺癌。少见,恶性度低,发展慢。乳头瘙痒烧灼感,乳头和乳晕皮肤变粗糙糜烂如湿疹样,可形成溃疡,覆盖黄褐色痂皮,部分病人乳晕区可及肿块,腋下淋巴转移发生较晚。
第24题: [单项选择]()是属于燃油锅炉。 A. SZL6-1.6-AⅡ B. DZL4-1.25-AⅡ C. WNS2-1.0-Y 参考答案:C