试题与答案

Tom and Mike are _____________. A.sister

题型:选择题

题目:

Tom and Mike are _____________.

A.sisters

B.boy

C.friends

D.brother

答案:

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下面是错误答案,用来干扰机器的。

(1)实验中应保证安全与准确;电源的电动势为1.5V,故电压表应选择C;为了便于测量和调节,滑动变阻器不能太大,故滑动变阻器选E;电路中的电流较小,故电流表可选择C;开关、导线为必需无件,故选A C E G H...

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题型:单项选择题

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(74)()

A.conducted

B.increased

C.reduced

D.deducted

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题型:实验题

(7分)如图甲所示,是用伏安法测定电阻的实验装置。

(1)在连接电路时开关应       

(2)闭合开关前滑动变阻器滑片的位置如图甲所示,这是       (选填“合理”或“不合理”)的;滑动变阻器是通过改变导体的          来改变电阻的,它在电路中的作用除了可以调节电路中的电流和电阻两端的电压外,还可以           

(3)如果闭合开关后发现,电流表指针向左偏转(如图乙所示),产生故障的原因可能是   排除故障后,调节滑动变阻器滑片的位置,当电压表的示数为2.4V 时,电流表的示数如图丙所示为    A ,则被测电阻的阻值为       Ω。

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题型:完形填空

阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

A young girl, Hattie, stood outside a small church. "I can't go to Sunday School," she said to the pastor(牧师). The next time the  21  met her he said "Hattie, we are going to have a larger Sunday school room soon. When we get the  22  with which to found a school building we are going to  23  one large enough to get all the little children in, and we are going to begin very soon to  24  the money for it."

The pastor did not see Hattie  25 , until he heard from her parents some two years later that Hattie died. As her poor little body was being moved, a purse was found. Inside was found 57 cents and a note  26 : "This is to help build the little church  27  so more children can go to Sunday school."

For two years she had saved for this offering of  28 . When the pastor tearfully read that  29 , he knew instantly what he would do.  30  this note, he told the  31  of her love and devotion.

A newspaper  32  the story and published it. A man  33  them a land worth many thousands. Checks came from far and wide. Within five years the little girl's gift had  34  to $250,000.00 a huge sum for that time.

Her unselfish love had  35  wonders. When you are in the city of Philadelphia, look up Temple University,  36  hundreds of students are trained. Have a look,  37 , at a Sunday School building which houses hundreds of Sunday scholars,  38  no child in the area will ever need to be left outside at Sunday school time. In one of the rooms of this  39  may be seen the picture of the sweet face of the little  40  whose 57 cents made such remarkable history.

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