患者，女性，25岁，低热、盗汗、咳嗽2月，头痛、呕吐3天，查体：

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问题单项选择题

患者，女性，25岁，低热、盗汗、咳嗽2月，头痛、呕吐3天，查体：神志清，消瘦体型，脑膜刺激征阳性。为明确诊断，首选下列何种检查()

A．脑电图检查

B．头颅CT检查

C．腰椎穿刺

D．颅脑MRI检查

E．诱发电位检查

答案

参考答案：C

完形填空

根据对话内容，从对话后的选项中选出能填入空白处的最佳选项，选项中有两项为多余选项。

—Hello. Can I speak to Wu Ming please？

—__ 小题1:____

—Hello，Wu Ming. This is Wang Hong. Sorry to ring you so late in the

evening，but I‘ve only just got home.

—___小题2:____ What‘s the news？

—I‘d like to ask you about some stamps. Do you still have the cock year stamp？ You had it when I last saw you.

—I‘m afraid I don’t have it. I sold it last week.

—___小题3:___

—I‘m sorry. I didn’t know you wanted it. ____小题4:___

—Yes，please. Thank you. It‘s very kind of you.

—____小题5:____

—Thank you very much.

—Bye-bye.

A．Do you like collecting stamps so much？

B．That‘s all right.

C．Sorry, Wu Ming is out.

D．Do you want me to find one for you？E. Oh, what a pity！

F. Yes, speaking.

G. OK, I‘ll ring you if I have any news.

填空题

如图所示，闭合线框的质量可忽略不计，将它从图示位置匀速拉出匀强磁场，若第一次用0.3 s时间拉出，通过导线截面的电荷量为q₁，第二次用0.9 s时间拉出，通过导线截面的电荷量为q₂，则q₁：q₂=____。