在如图所示都是用来测导体电阻的电路,已知电源电压恒定不变且电源电压值未知,若要求

题型:选择题

问题:

在如图所示都是用来测导体电阻的电路,已知电源电压恒定不变且电源电压值未知,若要求能多次测量求电阻平均值,则下列四个电路图中符合要求的是        (    )

考点:欧姆定律及其应用
题型:选择题

看图填词,这是一张请假条,请根据图示,在空格处填入适当的词,使其意思完整、正确。

Dear Miss Wise,

      I'm sorry that I can't go to school today. I had an accident and my 1_____  arm is hurt. This morning

I got up at 2_____   past six. While I was putting on my. 3_____, I found it was 4_____  outside. After I had

breakfast, I rode to school. At the crossing near the 5_____  before I turned 6_____, I looked 7_____  and

found there was 8_____  traffic behind me. But just then a 9_____. was running very fast towards me. I tried

to stop but there was water on the street. So I 10_____  on the road and hurt my arm. The man on the other

bike sent me to the hospital nearby. The doctor told me to rest for a month. So I have to ask for a month's

leave. Thanks.

                                                                                                                                   Yours sincerely,

                                                                                                                                    Mike

题型:选择题

试述溶组织内阿米巴的致病机理及可引起的主要临床表现。

题型:选择题

撑着油纸伞,独自

彷徨在悠长,悠长

又寂寥的雨巷,

我希望逢着

一个丁香一样地

结着愁怨的姑娘。

——选自《雨巷》

本诗的语言的音乐性体现在哪些方面?

题型:选择题

影响文化增值的因素不包括下面哪一项()

A.传播者

B.接受者

C.书本知识

D.媒介人

题型:选择题

广告代理和被代理作为一种市场交易行为最大的意义在于()。

A.促进专业化分工

B.保证广告市场高效率的运作

C.促进广告产业独立发展

D.保障了市场各方利益

E.成为了一种国际通行的广告运作机制

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