1.选择题- (共13题)
1.
如图所示，闭合电路处于方向竖直向上的磁场中，小灯泡的电阻为10Ω，其它电阻不计．当磁通量在0.1s内从0.2Wb均匀增加到0.4Wb过程中，求：
①电路中的感应电动势；
②如果电路中的电流恒为0.2A，那么小灯泡在10s内产生的热量是多少．
8.
将一段导线绕成图甲所示的闭合电路，并固定在水平面（纸面）内，回路的ab边置于垂直纸面向里的匀强磁场Ⅰ中．回路的圆形区域内有垂直纸面的磁场Ⅱ，以向里为磁场Ⅱ的正方向，其磁感应强度B随时间t变化的图象如图乙所示．用F表示ab边受到的安培力，以水平向右为F的正方向，能正确反映F随时间t变化的图象是（ ）
9.
将一段导线绕成图甲所示的闭合电路，并固定在水平面（纸面）内，回路的ab边置于垂直纸面向里的匀强磁场Ⅰ中．回路的圆形区域内有垂直纸面的磁场Ⅱ，以向里为磁场Ⅱ的正方向，其磁感应强度B随时间t变化的图象如图乙所示．用F表示ab边受到的安培力，以水平向右为F的正方向，能正确反映F随时间t变化的图象是（ ）
2.单项选择- (共11题)
14.
—You seem busy these days.
—Yes. I’m looking for a house. It’s really not easy to find _____ with a garden.
—Yes. I’m looking for a house. It’s really not easy to find _____ with a garden.
| A．this | B．that | C．it | D．one |
15.
“ match between these two teams was exciting," said Federer, "and we hope to see ___second."
| A．A; the | B．A; a | C．The; / | D．The; a |
16.
Don’t worry. I’ll have it _____ and get someone _____ it to you tomorrow.
| A．typed; send | B．to type; to send | C．type; send | D．typed; to send |
17.
—How was your holiday?
—It couldn’t have been ．I just stayed in the hotel because it was raining most of the time．
—It couldn’t have been ．I just stayed in the hotel because it was raining most of the time．
| A．boring | B．more boring | C．most boring | D．1ess boring |
18.
Come on, Maria! You can also enjoy_______ you have been dreaming of if you don’t lose heart.
| A．as convenient a life as | B．as a convenient life as | C．as a life convenient as | D．convenient as a life as |
19.
See? The strange man I saw yesterday _____ around my house again. Should I call the police？
| A．walk | B．walked | C．is walking | D．has walked |
20.
Liu Fang is a company CEO now, but she ____ as a teacher in a middle school for three years.
| A．worked | B．has worked | C．works | D．had worked |
21.
---It is a long time ______ I saw you last．
---Yes．And it will be a long time ______ we see each other again．
---Yes．And it will be a long time ______ we see each other again．
| A．when; before | B．after; when | C．since; before | D．since; until |
22.
The factory produces half a million pairs of shoes every year,80%________ are sold abroad.
| A．of them | B．which of | C．of which | D．of that |
23.
In English class, our teacher often creates an environment _____ we are given the opportunity to solve problems ourselves.
| A．when | B．where | C．which | D．that |
试卷分析
-
【1】题量占比
选择题:(13道)
单项选择:(11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：11
7星难题：0
8星难题：0
9星难题：0