患者疑为黄体功能不全,取宫内膜送病检的时间是()。 A.月经来潮24小时内 B.月经

题型:单项选择题 B1型题

问题:

患者疑为黄体功能不全,取宫内膜送病检的时间是()。

A.月经来潮24小时内

B.月经来潮第5天

C.月经干净后5天

D.月经干净后7天

E.月经干净后10天

考点:中西医结合执业医师中西医结合执业医师2000
题型:单项选择题 B1型题

如图所示,波源S在t=0时刻从平衡位置开始向上运动,形成向左右两侧传播的简谐横波.S、a、b、c、d、e和a′、b′、c′是沿波传播方向上的间距为1m的9个质点,t=0时刻均静止于平衡位置.已知波的传播速度大小为1m/s,当t=1s时波源S第一次到达最高点,则在t=4s到t=4.6s这段时间内,下列说法中正确的是(  )

A.质点c的加速度正在增大

B.质点a的速度正在减小

C.质点b的运动方向向上

D.质点c′的位移正在减小

题型:单项选择题 B1型题

反实证主义方法论具有()特征。

A.认为社会现象具有可研究的一般规律

B.认为社会研究方法应该着重分析社会整体的因素

C.认为研究主体的认识能力是主要的

D.注重社会对象的发生、变化过程和人的意识过程

E.认为社会科学的主要方法是以描述性的历史方法说明社会现象

题型:单项选择题 B1型题

某同学要测量一节旧电池的电动势和内阻,实验器材有一个电流表、一个电阻箱R、一个阻值为2Ω的定值电阻R0,一个开关和导线若干,该同学按如图所示电路进行实验。

实验次数12345
R(Ω)2.08.014.020.026.0
I(A)1.000.500.340.250.20
测得的数据如下表所示:

(1)电路中定值电阻R0的作用是:         ①                    

(2)该同学为了用作图法来确定电池的电动势和内阻,若将R作为直角坐标系的纵坐标,则应取  ②  作为横坐标。并利用实验数据在给出的直角坐标系上画出正确的图象。

(3)由图象可知,该电池的电动势E=    ③ V,内阻r=  ④  Ω;(保留两位有效数字)

题型:单项选择题 B1型题

第二节完形填空 (共15小题; 每小题1分, 满分15分)

阅读下面短文,掌握其大意,然后从41-55各题所给的A,B,C,D四个选项中,选出最佳选项。

Playing organized sports is such a common experience in the United States that many children and teenagers take them for granted. This is especially true __41__ children from families and communities that have the resources needed to organize and sponsor sports programs and make sure that there is easy __42__ to participation opportunities. Children in low-income families and poor communities are __43__ likely to take organized sports for granted because they often __44__ the resources needed to pay for participation __45__, equipment, and transportation to practices and games __46__ their communities do not have resources to build and maintain facilities.

Organized youth sports __47__ appeared during the early 20th century in the United States and other wealthy nations. They were originally developed __48__ some educators and experts __49__ that the behavior and character of children were __50___ influenced by their social surroundings and everyday experiences. This __51__ many people to believe that if you could organize the experiences of children in __52__ ways, you could influence the kinds of adults that those children would become.

This belief that the social environment influenced a person’s overall development was very __53__ to people interested in reforms at the beginning of the 20th century. It caused them to think about __54__ they might control the experiences of children to __55__ responsible and productive adults.

41. A. among         B. within              C. on             D. towards

42. A. entrance              B. access           C. chance          D. route

43. A. higher         B. less                   C. more          D. fewer

44. A. shrink          B. tighten                 C. limit          D. lack

45. A. bill                     B. accounts            C. fees           D. fare

46. A. so               B. for                    C. and           D. but

47. A. last                     B. later                  C. first           D. finally

48. A. before         B. while                C. until          D. when

49. A. realized              B. recalled             C. expected     D. distributed

50. A. specifically  B. largely             C. strongly     D. exactly

51. A. moved         B. led          C. put            D. convinced

52. A. precise         B. precious            C. particular   D. clear

53. A. encouraging B. disappointing    C. upsetting  D. surprising

54. A. what            B. how                  C. whatever    D. whom

55. A. produce              B. provide             C. grow          D. become

题型:单项选择题 B1型题

体检发现脚趾甲床紫绀,而口唇和手指甲床无紫绀

A.室间隔缺捌
B.房间隔缺损
C.动脉导管未闭
D.肺动脉瓣狭窄
E.法洛四联症

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