1.选择题- (共12题)
6.某班一学习小组以“酸雨的危害”为课题进行科学探究．请你参与他们的探究，完成下列探究过程中的记录．
【提出假设】酸雨易对{#blank#}1{#/blank#}造成危害．
【调查收集资料】通过查阅资料搜集到以下资料．
【交流讨论】造成酸雨的物质主要
来自于：（任写两点）{#blank#}2{#/blank#}、{#blank#}3{#/blank#}．
【设计实验方案】以“模拟酸雨的危害”为题进行对比实验．（如下图所示）
实验环境：①天然雨水；②向充满SO2的集气瓶中加少量的水，模拟“酸雨”．
【实验现象】观察一段时间后，各装置里的物质分别发生了变化，就A、B、C三组装置中任选一组描述其对比现象{#blank#}4{#/blank#}．
【交流反思】
①用pH试纸测定酸雨pH的具体操作方法是{#blank#}5{#/blank#}．
②同学甲认为：酸雨的腐蚀作用来自于SO2的酸性；同学乙认为：酸雨的腐蚀作用是由于SO2与水等反应生成相应的酸的缘故．你认为{#blank#}6{#/blank#}的结论正确．为了说明正确的结论，你认为还需要补充的对比实验所用的样品是{#blank#}7{#/blank#}．
A．蒸馏水B．干燥的SO2气体C．稀硫酸D．其他稀酸溶液
【实际运用】下列控制酸雨的措施合理的是{#blank#}8{#/blank#}
A．使用脱硫煤B．加高工业烟囱C．开发新能源．
2.单项选择- (共13题)
13.
Cars do cause us some health problems—in fact far more serious _____than mobile phones do.
| A．one | B．ones |
| C．it | D．those |
14.
Chinese folk music gave ________ life to Mr Liu and made him lead ________ new life in his later years.
| A．the; a | B．the; the | C．a; the | D．/; a |
15.
After ________, the litter girl was depressed and kept silent all the day.
| A．being made fun | B．making fun of |
| C．making fun | D．being made fun of |
16.
Please ________ it up and you’ll succeed ________.
| A．hold; in time | B．hold; on time |
| C．keep; in time | D．keep; on time |
17.
________ so delicious, the food in this market was sold out soon.
| A．Tasted | B．Tasting | C．Being tasted | D．Having been tasted |
18.
We drove to the airport to meet an expert from Germany, about 50 years old, his hair ________.
| A．was completely grey | B．be completely grey |
| C．to be completely grey | D．completely grey |
19.
--- Do you think the weather is good enough for a field trip?
--- Yes. You couldn’t hope for ________ day at this time of the year.
--- Yes. You couldn’t hope for ________ day at this time of the year.
| A．the nice | B．the nicest | C．a nicer | D．a nice |
20.
The scientist corresponds with colleagues in order to learn about matters ________ to her own research.
| A．relevant | B．instant | C．resistant | D．important |
21.
How can they learn much ________ they spend so much time playing computer games?
| A．although | B．when | C．till | D．until |
22.
Was it from the lake ______ he often went fishing ______ he saved the drowning girl?
| A．that; that | B．where; where |
| C．where; that | D．that; where |
23.
I ________ with my grandma because my parents have gone abroad for further study.
| A．stayed | B．am staying | C．have stayed | D．was staying |
24.
--- ________ will win the first place in the relay race?
--- I don’t know.
--- I don’t know.
| A．Do you think who | B．Do you think which class |
| C．Which class do you think | D．Whom do you think |
试卷分析
-
【1】题量占比
选择题:(12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：0
5星难题：0
6星难题：9
7星难题：0
8星难题：3
9星难题：1