皮皮学，免费搜题
登录
搜题
【简答题】
利用如图11所示电路，在研究通过导体的电流跟电阻的关系时，要保持导体两端电压不变。实验中，不断改变Rx的阻值，调节滑动变阻器使伏特表示数保持不变，得到了I与 R的关系图像，如图12所示。由图像可以得出的结论是 ；此次实验中，伏特表的示数始终保持 V不变。
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Look! ______ ducks are coming here.
A.
Hundred of
B.
Hundreds of
C.
Three hundreds
D.
Three hundreds of
【单选题】Nearly _________ of the water here ________ polluted. [ ]
A.
three fourth；are
B.
three fourths；are
C.
three fourth；is
D.
three fourths；is
【简答题】Writing down a brief introduction and your feeling to a famous human landscape.
【简答题】This part is to test your ability to do practical writing．You are required to make an English form. of it by completing the table below．Remember to write it on the Composition/Translation Sheet． 请按照中文...
【单选题】_______ three nice _______ of my family.
A.
Here are; photos
B.
These are; photo
C.
Here is; photo
D.
This is; photoes
【判断题】Brief daily contact with a writing project results in more creativity and productivity than long intermittent writing bouts do.
A.
正确
B.
错误
相关题目：