PPH主要适用于______期内痔、_______痔和部分_____

[单选题]患者,男,70岁,夜尿增多伴进行性排尿困难5年余,一般情况良好,心肺功能正常。直肠指检:前列腺约5.5cm×4.5cm大小,质中,表面光滑,中央沟消失。残余尿70ml。最大尿流率10.2ml/s。最佳治疗应选择
A.手术治疗
B.留置导尿管
C.雌激素治疗
D.α-受体阻滞剂治疗
E.5α-还原酶抑制剂治疗

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[单选题]TVDS探测站设备的设备控制箱主要用来控制轨旁设备的各种动作，配合采集设备完成图像和（）的采集。
A.图像
B.机车信息
C.设备状态
D.车号信息

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[简答题]登杆和作业时每基杆塔都应设专人监护,风力应在五级以下。严禁在杆塔上卷绑线。

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[单选题] (单选题)6.用胶体金结合物做免疫渗滤试验,阳性时斑点出现
A.无色
B.黄色
C.蓝色
D.红色
E.发出荧光

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[填空题]在引起静态工作点不稳定得诸多因素中，(____)的变化对其影响最大。

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[不定项选择题]Student participation(参与) in the classroom is not only accepted but also expected of the student in many courses．Some professors base part of the final grade on the student' s oral participation．Although there are formal lectures during which the student has a passive role (i．e．, listening and taking notes), many courses are organized around classroom discussions, student questions, and informal lectures．In graduate discussions the professor has a "manager" role and the students make presentations and lead discussions．The students do the actual teaching in these discussions． A professor' s teaching method is another factor (因素) that determines the degree and type of student participation．Some professors prefer to control discussion while others prefer to guide the class without controlling it．Many professors encourage students to question their ideas．Students who object to the professor' s point of view should be prepared to prove their positions． In the teaching of science and mathematics, the controlling mode of instruction is generally traditional ,with teachers presenting formal lectures and students taking notes．However, new educational trends have turned up in the humanities and social sciences in the past twenty years．Students in education, society, and history classes, for example, are often required to solve problems in groups, design projects, make presentations, and examine case studies．Since some college or university courses are"practical" rather than theoretical ,they pay more attention to "doing" for themselves． "Participation in the classroom is not only accepted but also expected of the student" in many courses except in_______．
A.science and mathematics
B.the humanities and social sciences
C.informal lecture courses
D.discussion courses

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[单选题][单选]使用大规模和超大规模集成电路作为计算机元件的计算机是( )。
A.第一代计算机
B.第二代计算机
C.第三代计算机
D.第四代计算机

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[填空题]PPH主要适用于__期内痔、_痔和部分期内痔，而血栓性外痔及绞窄性痔均不适用于PPH术，此两种情况应行和_____。

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[填空题]PPH主要适用于______期内痔、_______痔和部分________期内痔，而血栓性外痔及绞窄性痔均不适用于PPH术，此两种情况应行__________和_________。

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[填空题]PPH主要适用于__期内痔、_痔和部分期内痔，而血栓性外痔及绞窄性痔均不适用于PPH术，此两种情况应行和_____。