1.选择题- (共11题)
4.写出下列元素的元素符号或粒子的化学符号．
钙{#blank#}1{#/blank#}； 铝离子{#blank#}2{#/blank#}； 铁{#blank#}3{#/blank#}．
7.托盘天平室利用杠杆原理制造的一种称量仪器．如果仅用一个20g的砝码取19.5g的食盐，现有如下操作步骤，正确的称量方法是（ ）
①在天平两边托盘上各放一张质量、大小相同的白纸 ②将20g砝码放在左盘 ③将20g砝码放在右盘
④将游码拨至0.5g处 ⑤在右盘添加食盐至天平平衡 ⑥在左盘添加食盐至天平平衡．
8.托盘天平室利用杠杆原理制造的一种称量仪器．如果仅用一个20g的砝码取19.5g的食盐，现有如下操作步骤，正确的称量方法是（ ）
①在天平两边托盘上各放一张质量、大小相同的白纸 ②将20g砝码放在左盘 ③将20g砝码放在右盘
④将游码拨至0.5g处 ⑤在右盘添加食盐至天平平衡 ⑥在左盘添加食盐至天平平衡．
9.托盘天平室利用杠杆原理制造的一种称量仪器．如果仅用一个20g的砝码取19.5g的食盐，现有如下操作步骤，正确的称量方法是（ ）
①在天平两边托盘上各放一张质量、大小相同的白纸 ②将20g砝码放在左盘 ③将20g砝码放在右盘
④将游码拨至0.5g处 ⑤在右盘添加食盐至天平平衡 ⑥在左盘添加食盐至天平平衡．
2.单项选择- (共11题)
12.
Violence on TV may prove to have a strong _____ on some young people.
| A．proof | B．impression | C．influence | D．expression |
13.
All the apartments have been sold out while the building is still _____.
| A．Constructed | B．constructing |
| C．under construction | D．in construction |
14.
You made the same mistake for _____ second time, dropping _____ “r” in the word “preferred”.
| A．a , the | B．a, a | C．the , an | D．a , an |
15.
The theory _____ correct immediately the experiment was completed.
| A．turned in | B．turned out | C．turned over | D．turned to |
16.
There’s little doubt _____ we will _____ the game.
| A．that , win | B．whether , win | C．whether , beat | D．that , beat |
17.
Entering the room, I found Mary _______ at the desk and _______ a letter.
| A．seated; wrote | B．sitting; written |
| C．seating; writing | D．seated; writing |
18.
_________on the main street, the market was busy yesterday.
| A．Located | B．locating | C．being located | D．to be located |
19.
_____ the lecturer more clearly, I arrived early and chose a front seat.
| A．Hear | B．To hear | C．Heard | D．Hearing |
20.
They were surprised that a child should work out the problem _____ they themselves couldn’t.
| A．when | B．where | C．until | D．while |
21.
--- The football game was not interesting, was it?
---_____. Even John, who _____ to the super fans, didn’t enjoy it.
---_____. Even John, who _____ to the super fans, didn’t enjoy it.
| A．Yes, is belonged | B．No, is belonged |
| C．Yes, belongs | D．No, belongs |
试卷分析
-
【1】题量占比
选择题:(11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：7
5星难题：0
6星难题：3
7星难题：0
8星难题：0
9星难题：0