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【单选题】
在图示电路中,已知UCC=12V,晶体管的【图片】=100,=100kΩ。UBE=0.7V,若要基极电流IB=20μA,则RW为kΩ【图片】
A.
465
B.
565
C.
400
D.
300
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参考答案:
举一反三
【简答题】What a busy day! The three boys were fed, bathed and changed into their nightclothes.Mary had ____ them a story and finally they were asleep.“Babysitting(照看)the three boys aged eight, six and four is ...
【单选题】关于尿液检测的临床意义,正确的是
A.
尿液酮体阴性,即可排除糖尿病酮症酸中毒
B.
尿微量清蛋白是监控糖尿病患者早期肾损伤的有效指标
C.
24小时内无尿可称为无尿
D.
腹痛患者尿淀粉酶增高即可诊断急性胰腺炎
E.
尿液胆红素阳性,即可考虑为溶血性黄疸
【判断题】练习法的优点在于可以有效地发展学生的各种技能技巧。( )
A.
正确
B.
错误
【简答题】What a busy day! The three boys were fed, bathed and changed into their nightclothes.Mary had them a story and finally they were asleep. “Babysitting (照看) the three boys aged eight, six and four is ex...
【简答题】完形填空。 What a busy day! The three boys were fed, bathed and changed in to their nightclothes. Mary had 1 them a story and finally they were asleep. 'Babysitting (照看) the three boys aged eight, six and ...
【单选题】微量清蛋白尿是指尿中清蛋白排出量为
A.
<10mg/24h
B.
<20mg/24h
C.
<30mg/24h
D.
30~300mg/24h
E.
300~600mg/24h
【多选题】全科医学得以快速发展的原因很多,下列描述正确的有:
A.
人口老龄化加剧,需要更多优质的社区卫生服务
B.
疾病谱和死因谱变化,需要更多的全科医学服务
C.
医学模式从以疾病为中心的生物医学模式 向以人为中心的生物心理社会医学模式转变
D.
医疗费用高涨与人民对美好健康生活的需求发生矛盾
【判断题】练习法的优点在于,可以有效地发展学生的各种技能技巧。 ( )
A.
正确
B.
错误
【单选题】Which of the following describes the chain of events the Fed uses to fight recession?
A.
Raise the federal funds rate target, sell government securities, decrease reserves and loans, increase aggregate demand.
B.
Raise the federal funds rate target, buy government securities, increase reserves and loans, decrease aggregate demand.
C.
Lower the federal funds rate target, buy government securities, decrease reserves and loans, decrease aggregate demand.
D.
Lower the federal funds rate target, buy government securities, increase reserves and loans, increase aggregate demand.
【单选题】微量清蛋白指的是
A.
尿中尿酶排出量在30~300mg/24h范围内
B.
尿中转铁蛋白排出量在30~300mg/24h范围内
C.
尿中白蛋白排出量在30~300mg/24h范围内
D.
尿中前清蛋白排出量在30~300mg/24h范围内
E.
尿中α1-微球蛋白排出量在30~300mg/24h范围内
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