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【单选题】
患者男,50岁,在建筑工地干活时被一铁钉扎伤,医嘱为破伤风肌内注射,下列关于破伤风皮试的叙述正确的是A.
当直径大于1．5cm时，红晕超过4cm可以判断为结果阳性
B.
实验为阳性时，可做破伤风脱敏试验
C.
破伤风皮试液的浓度是1500U／ml
D.
实验结果为阳性，余液0．9ml与皮试剩余剂量做肌内注射
E.
当周围有伪足，痒感感时可以判断为阳性
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【简答题】A little boy asked his mother, “Why are you crying?” “Because I’m a woman,” she told him. “I don’t understand,” he said. His mum just hugged him and said, “You 36 will.” Later the little boy asked his...
【简答题】直接引语变间接引语 He said, “I like this park.” He asked, “Are you leaving for Beijing today?” “where is the body?” asked the policeman. “Do you like math or English?” she asked. “Do you like math or English?”...
【单选题】Choose the best definition of the word in bold type in the following sentence: “‘No meat?’ he asked. . . . Annemarie gave him a withering look. ‘You know we have no meat,’ she said insolently. ‘Your a...
A.
extremely innocently
B.
extremely rudely and lacking repsect
C.
very humourously
D.
extremely angrily
【简答题】在珠光体型组织中,力学性能最好的是( ) ,力学性能较差的是( )。
【单选题】患者,男性, 66岁,因反复咳嗽、大量脓痰伴咯血入院,拟诊支气管扩张,该疾病的确诊依据是
A.
反复咯血
B.
慢性咳嗽及大量脓痰
C.
支气管碘剂造影
D.
胸部平片见肺纹理粗乱，呈卷发样
E.
肺部有固定局限的湿啰音
【单选题】(2013全国联赛,30)植物叶子呈现的颜色是叶子各种色素的综合表现,主要包含两大类,叶绿素和类胡萝卜素(包含叶黄素和胡萝卜素)。一般来说高等植物的正常叶子的叶绿素和类胡萝卜素分子比例为一 ,其中叶黄素和胡萝卜素的分子比为:
A.
1: 3, 1: 2
B.
3:1,2: 1
C.
2: l,3: 1
D.
1: 2, 1: 3
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