【题目】如图所示，已知平行板电容器两极板间距离d＝4 mm，充电后两极板电势差为120 V。A板带正电，若它的电容为3 μF，且P到A板距离为1 mm。求：
（1）每个极板的带电荷量；
（2）一个电子在P点具有的电势能；
（3）一个电子从B板出发到A板获得的动能；
（4）两板间的电场强度。
名校课堂系列答案科目：高中地理 来源： 题型：
【题目】选词填空。
根据语境，用方框中所给短语的适当形式填空。（每个短语仅使用一次）
【1】It taught me a lesson. ____________ I made a determination that I would never put off anything important until the next day.
【2】Tom hurt his leg when he was running. ____________, he has to leave school for a few days.
【3】In the performance, the actress dressed as a parrot was ____________ attractive ____________ she attracted all the audience present.
【4】All I thought was that the programme was interesting and could ____________ me ____________ the knowledge I wanted.
【5】Whenever he buys something, whether it be drinks or snacks, he remembers to ____________ his buddies.
【6】As the days ____________, survivors were left with few options and little hope.
【7】____________ learning to swim he has been taking Spanish lessons this summer.
【8】In theory, this problem should not happen, but ____________ it does.
【9】How does your new house____________ your old one?
【10】How much do I need to pay ____________ for this package?
【11】Those two brothers not only look similar, but also they have a lot ____________.
【12】When we got the news that we won, the room ____________ laughter.
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】 短文改错（共10小题；每小题l分，满分10分）
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（＼）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：
1. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者（从第11处起）不计分。
Last Sunday, my father go to see a film. But in our surprise, he came back soon. He told us about the funny thing what had happened. He was sitting in his seat while a woman came to her and said the seat was hers. So they looked at their tickets careful, only to find the seats were the same while the color were different. After while, my father apologized to the woman, saying, ＂Sorry, I make a mistake.＂ The fact was that his ticket found out under the glass on his desk was for the film a month ago.
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】短文改错
A little kid fell into the lake while she was playing with her little friends. They were too frightening to know what to do next. Unfortunately, a pretty lady and a man passed by and saw the drowning girl. The man immediate dived into the water and took the girl to the bank and at a same time. The lady called the ambulance on time. Before the ambulance came, the lady, who proved to be a nurse, performing first aid to the kid. A few of minutes later, the kid sent to the nearest hospital and finally saved. The story is a good example where first aid can make a lot of differences. From it, we know it is necessary to know basic first aid skills so that we can be better preparing for an emergency.
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】短文改错
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏词符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：
1. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者（从第11处起）不计分。
Last weekend, my classmate and I went on a camping trip near the river. It was not long distance, so we chose to get here by bike.
We started with early in the morning. On the way, we talked about that we saw around. It takes about half an hour to get to the place. On arriving, some girls sat down, had her breakfast and listened to the birds sings. Some admired the river while others drew pictures. My friends and I found a quietly place and went fishing. To our surprise, we got much fishes.
Time passed so quickly and we had to say goodbye. I enjoyed the pleasant or exciting trip.
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】短文改错（每小题1分，满分10分）
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏词符号(∧)，并在其下面写出该加的词。
删除：把多余的词用斜线(/)划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：
1. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者(从第11处起)不计分。
This term our school has offer more than ten optional courses from which students can choose from. The courses are given from 4:00 to 5:30 every Thursday afternoon. Students show interest in optional courses. Their favorite are computers, speaking English, arts and so on. They say they have learned a lot about that is not taught in text books and they have got a great deal of practice. Therefore, students are not quite satisfied. They hope that more optional courses will be offered or the homework will be less. They suggest more trips and visits should organized so that they can learn more about what’s going on inside school.
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】如图甲所示是一个简单的多用电表的电路原理图。
（1）当闭合开关________，断开开关________，可作电流表用；
（2）当闭合开关________，断开开关________，可作电压表用；
（3）当闭合开关________，断开开关________，可作欧姆表用；
（4）某个多用电表的面板如图乙所示，若表头满偏电流为1mA，内阻为1kΩ，所用电池的电动势为1.5V，内阻为0.5Ω，使用欧姆×1挡，若把多用电表的黑红表笔短接时，表针恰好指在电流满刻度处，则此时欧姆表的内电阻值为________。A、C、E刻度处对应的电阻值分别是________、________、________。
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】六、短文改错
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏词符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：
1. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者（从第11处起）不计分。
Last Sunday, I sat at my favorite table in a restaurant and wait for the food I had ordered to arrive. Suddenly I found that Lin Ling, one of my classmate, worked like a waitress there. Honest speaking, it was great surprise for me to find her working there. As far as I know, she’s from a richer family. What was it that made her to work there? I walked up to her and asked her the reason. When asking, she said, ＂I just want to earn some pocket money so that we can help some children in poor areas go back to school. ＂ ＂How a good girl!＂ I should learn from her.
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】如图所示是使用光电管的原理图，当频率为ν的可见光照射到阴极K上时，电流表中有电流通过。
（1）当变阻器的滑动端P向________滑动时（填“左”或”右”），通过电流表的电流将会增大。
（2）当电流表电流刚减小到零时，电压表的读数为U，则光电子的最大初动能为________（已知电子电荷量为e）。
（3）如果不改变入射光的频率，而增加入射光的强度，则光电子的最大初动能将________（填“增加”“减小”或“不变”）。
查看答案和解析>>
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com
