关于磁感应强度方向和电场强度方向，下列说法正确的有 [ ]

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问题不定项选择

A．电场强度方向与电荷所受电场力方向相同

B．电场强度与正电荷所受电场力方向相同

C．磁感应强度方向与小磁针N极所受磁场力方向相同

D．磁感应强度方向与所在处磁感线方向相同

答案

阅读理解

阅读短文，判断正(T)误(F)。

Dear friends,

I am Nancy. I am from America. I can speak Chinese. I like travelling best. I want to go to Australia

by plane. I send e-mails to my friends in Australia once a week.

( ) 1. Nancy is from America.

( ) 2. She can speak Chinese.

( ) 3. She wants to go to Australia by ship.

( ) 4. She sends e-mails to her friends twice a week.

单项选择题 A2型题

患者，男性，60岁。高血压20年，脑出血昏迷，给予20%甘露醇250ml，每6小时1次治疗，3天后出现尿少，实验室检查血尿素氮21mmol／L，肌酐670μmol／L，血红蛋白110g／L，血压180／100mmHg。最可能的诊断是（）

A.肾前性急性肾功能不全

B.急性肾小管坏死

C.急性肾小球肾炎

D.肾后性急性肾功能不全

E.急性间质性肾炎