男,18岁。反复腹泻、脓血便6个月,抗生素治疗无效。近2周来脓血便2~3次/日,粪便

题型:单项选择题 A3/A4型题

问题:

男,18岁。反复腹泻、脓血便6个月,抗生素治疗无效。近2周来脓血便2~3次/日,粪便镜检WBC及RBC成堆,细菌培养阴性。

首选的治疗是()。

A.异烟肼

B.手术治疗

C.左氧氟沙星

D.柳氮磺胺吡啶

E.强的松

考点:临床执业医师专业综合第三章消化系统专业综合第三章消化系统题库
题型:单项选择题 A3/A4型题

  Why does she always ask you for help?There is no one else_______,is there?

A .who to turn to              B. she can turn to

题型:单项选择题 A3/A4型题

设R是集合A={1,2,3}上的二元关系,且R={<1,1>,<3,3>},下列命题中( )为真。 Ⅰ.R的自反闭包为{<1,1>,<2,2>,<3,3>} Ⅱ.R的对称闭包为{<1,1>,<3,3>} Ⅲ.R的传递闭包为{<l,1>,<3,3>}

A.只有Ⅰ

B.只有Ⅱ

C.Ⅰ和Ⅱ

D.Ⅰ、Ⅱ和Ⅲ

题型:单项选择题 A3/A4型题

斗底

题型:单项选择题 A3/A4型题

Throughout the 19th century and into the 20th, citizens of the United States maintained a bias against big cities. Most lived on farms and in small towns and believed cities to be centres of (1) , crime, poverty and moral (2) Their distrust was caused, (3) , by a national ideology that (4) farming the greatest occupation and rural living (5) to urban living. This attitude (6) even as the number of urban dwellers increased and cities became an essential (7) of the national landscape. Gradually, economic reality overcame ideology. Thousands (8) the precarious (不稳定的) life on the farm for more secure and better paying jobs in the city. But when these people (9) from the countryside, they carried their fears and suspicions with them. These new urbanities, already convinced that cities were (10) with great problems, eagerly (11) the progressive reforms that promised to bring order out of the (12) of the city.

One of many reforms came (13) the area of public utilities. Water and sewerage systems were usually operated by (14) governments, but the gas and electric networks were privately owned. Reformers feared that the privately owned utility companies would (15) exorbitant (过渡的) rates for these essential services and (16) them only to people who could afford them. Some city and state governments responded by (17) the utility companies, but a number of cities began to supply these services themselves. (18) of these reforms argued that public ownership and regulation would (19) widespread access to these utilities and guarantee a (20) price.

8()

A.deserted

B.departed

C.abolished

D.abandoned

题型:单项选择题 A3/A4型题

总行首批审批通过的主动授信集团客户共计()户。

A.40

B.45

C.47

D.49

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