1.选择题- (共5题)
1.小文用如图所示的电路探究“电流与电阻”的关系，可选器材如下：电压恒为4.5V的电源，“20Ω 1A”的滑动变阻器，5Ω、10Ω、15Ω、20Ω的定值电阻．实验时，控制电阻两端电压为2V．当用20Ω的电阻替换15Ω的电阻进行实验时，发现，调节滑动变阻器，无法使电压表的示数达到控制电压，经检査，电路连接无误，且元件完好，下列分析中错误的是（ ）
2.图中甲、乙、丙都是镍铬合金丝，甲、乙长度相同，乙、丙粗细相同．小文想利用此电路探究“导体电阻的大小与其横截面基的关系”，实验中是根据{#blank#}1{#/blank#}来判断接入 M、N两点间电阻的大小，应该选用{#blank#}2{#/blank#}两根电阻丝．
3.图中甲、乙、丙都是镍铬合金丝，甲、乙长度相同，乙、丙粗细相同．小文想利用此电路探究“导体电阻的大小与其横截面基的关系”，实验中是根据{#blank#}1{#/blank#}来判断接入 M、N两点间电阻的大小，应该选用{#blank#}2{#/blank#}两根电阻丝．
5.电的广泛应用使我们的生活丰富多彩，掌握安全用电常识是每个公民必备的素质．家庭电路中电流过大的原因有过载和{#blank#}1{#/blank#}； 电流从人体中通过，造成的伤害与{#blank#}2{#/blank#}和通电时间的长短有关．
2.单项选择- (共13题)
6.
— Oh, dear! We only have 15 minutes to get to the station.
— So terrible! There isn't any taxi around when you want ______.
— So terrible! There isn't any taxi around when you want ______.
| A．it | B．that | C．this | D．one |
7.
—Would you mind giving your advice on how to improve our business management?
—If you make _____ most of the equipment, there will be _____ rise in production.
—If you make _____ most of the equipment, there will be _____ rise in production.
| A．the; a | B．/; / | C．/; a | D．the; / |
8.
Being constantly exposed to advertisements is annoying, but it ______ be pleasant sometimes.
| A．shall | B．need | C．can | D．must |
9.
The first textbooks ______ for teaching English as a foreign language came out in the 16th century.
| A．having written | B．to be written |
| C．being written | D．written |
10.
The audience listened with full attention, ________ to miss any point．
| A．not trying | B．trying not |
| C．to try not | D．not to try |
11.
Great inventors don’t ________ graduate from famous universities. Some didn’t even go to university.
| A．likely | B．necessarily | C．really | D．particularly |
12.
Some people say that every Senior 3 student is undergoing the most stressful times and with this I can’t agree ________.
| A．less | B．many | C．much | D．more |
13.
—Can you tell me what time the flight to Detroit leaves?
—I’m sorry, but it _______________.
—I’m sorry, but it _______________.
| A．has been canceled | B．had been canceled |
| C．has canceled | D．had canceled |
14.
Even if there is no scientific proof secondhand smoke causes cancer, there is no reason why nonsmokers should be forced to take this risk.
| A．which | B．that | C．when | D．where |
15.
It is only when you nearly lose someone _____ fully conscious of how much you value him.
| A．do you become | B．then you become |
| C．have you become | D．that you become |
16.
John thinks it won’t be long _________ he is ready for his new job.
| A．when | B．after | C．before | D．since |
17.
That George will marry Alice, ______ has not been announced yet, has spread around.
| A．that | B．which | C．what | D．who |
试卷分析
-
【1】题量占比
选择题:(5道)
单项选择:(13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：1
5星难题：0
6星难题：10
7星难题：0
8星难题：2
9星难题：0