1.选择题- (共9题)
测量电源电动势和内电阻的器材如图A所示:
①请用实线表示导线,将图A中器材连成实验用电路{#blank#}1{#/blank#}.
②实验时经测量得出的数据如下表,请在下图B的方格纸上画出U﹣I图线{#blank#}2{#/blank#}.
③利用图线可求出电源电动势和内电阻分别为{#blank#}3{#/blank#}、{#blank#}4{#/blank#}.
1 | 2 | 3 | 4 | 5 | 6 | |
I/A | 0.12 | 0.20 | 0.31 | 0.32 | 0.50 | 0.57 |
U/V | 1.37 | 1.32 | 1.24 | 1.18 | 1.10 | 1.05 |
测量电源电动势和内电阻的器材如图A所示:
①请用实线表示导线,将图A中器材连成实验用电路{#blank#}1{#/blank#}.
②实验时经测量得出的数据如下表,请在下图B的方格纸上画出U﹣I图线{#blank#}2{#/blank#}.
③利用图线可求出电源电动势和内电阻分别为{#blank#}3{#/blank#}、{#blank#}4{#/blank#}.
1 | 2 | 3 | 4 | 5 | 6 | |
I/A | 0.12 | 0.20 | 0.31 | 0.32 | 0.50 | 0.57 |
U/V | 1.37 | 1.32 | 1.24 | 1.18 | 1.10 | 1.05 |
测量电源电动势和内电阻的器材如图A所示:
①请用实线表示导线,将图A中器材连成实验用电路{#blank#}1{#/blank#}.
②实验时经测量得出的数据如下表,请在下图B的方格纸上画出U﹣I图线{#blank#}2{#/blank#}.
③利用图线可求出电源电动势和内电阻分别为{#blank#}3{#/blank#}、{#blank#}4{#/blank#}.
1 | 2 | 3 | 4 | 5 | 6 | |
I/A | 0.12 | 0.20 | 0.31 | 0.32 | 0.50 | 0.57 |
U/V | 1.37 | 1.32 | 1.24 | 1.18 | 1.10 | 1.05 |
2.单项选择- (共7题)
A.the other | B.another | C.neither | D.others |
A./; / | B.the; / | C.the; the | D./; the |
A.to work | B.to be working |
C.to have worked | D.to have been working |
A.in charge of | B.for the purpose of |
C.in honor of | D.for the benefit of |
A.In addition to | B.As a result of | C.In spite of | D.With regard to |
A.for which | B.with which |
C.of which | D.to which |
--- So am I. Little ____ the safety of the poor children.
A.cared the local government about |
B.the local government cared about |
C.did the local government care about |
D.was the local government cared about |
-
【1】题量占比
选择题:(9道)
单项选择:(7道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:6
7星难题:0
8星难题:1
9星难题:0