皮皮学，免费搜题
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【单选题】
患者男，42岁。普查发现距肛缘上8cm处直肠肿块，为溃疡型，锁骨上淋巴结未及，腹部平软，未及肿块。B型超声波检查未见肝脏有肿块。如该患者行手术治疗，手术前肠道准备不正确的是（）
A.
手术前3天使用抗生素，以杀灭肠道细菌
B.
手术前1天晚清洁肠道
C.
术前2～3天流质饮食，术前1天禁饮食
D.
口服抗生素时补充维生素K 1
E.
术中需使用者应甘露醇进行全肠道灌洗
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A.
Web站点验证客户身份，要求浏览器中安装客户证书
B.
浏览器验证Web站点身份，要求Web站点也要安装站点证书
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【单选题】In every cultivated language, there are two great classes of words which, taken together, comprise the whole vocabulary. First, there are those words（1）which we become acquainted in daily conversation...
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never
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【单选题】which of the following could Barbara say when Nanny starts to sob
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B.
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C.
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D.
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【单选题】In every cultivated language, there are two great classes of words which, taken together, comprise the whole vocabulary. First, there are those words（1）which we become acquainted in daily conversation...
A.
diversion
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distinction
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B.
you will be home soon
C.
we will see you soon
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A.
diversion
B.
distinction
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