1.选择题- (共9题)
4.蛋白质是人体必需的重要营养成分之一，是构成人体细胞的基础物质．鸡蛋清中含有蛋白质，用鸡蛋清做下面的实验，可以从中了解蛋白质的一些特性．
实验步骤 | 实验现象 | 结论 |
[实验1] ①取两支试管，试管中加入3mL饱和硫酸铵溶液，试管乙加入3mL蒸馏水，再分别滴入鸡蛋清，振荡，观察现象． ②再向上述试管乙中继续加入3mL饱和硫酸铵溶液，振荡，观察现象． | 试管甲：{#blank#}1{#/blank#} 试管乙：{#blank#}2{#/blank#} | 1{#blank#}3{#/blank#} |
试管乙此时： {#blank#}4{#/blank#} | ||
[实验2] ③另取两支试管，试管A加入3mL鸡蛋清，试管B加入3mL蒸馏水和5滴鸡蛋清，分别滴入3滴浓硝酸，振荡，片刻后观察现象． ④再取两支试管C、D分别对应试管A、B，重复上述操作③，然后同时浸入90℃的热水中，观察现象． | 试管A：{#blank#}5{#/blank#}B：{#blank#}6{#/blank#} | 2{#blank#}7{#/blank#} |
试管C：{#blank#}8{#/blank#} 试管D：{#blank#}9{#/blank#} | 3{#blank#}10{#/blank#} |
7.
（资料阅读）据中国室内装饰协会调查，甲醛污染大部分是由板材产生，家庭装修中使用的夹芯板、地板、家具等都可能释放出甲醛．我国的国家标准检测：“E1级板材相当于甲醛释放量为1.5mg/L；E0级板材的甲醛释放量为0.5mg/L．”E1级与E0级最大的区别就是甲醛的释放量，E1级比E0级释放甲醛量多五分之一．目前，化学家已能从马铃薯中提取植物胶做板材的黏合剂，有效地减少了甲醛的排放．
试根据上述资料填空．
2.单项选择- (共13题)
10.
I listened to Dr．Wilson's lecture about the protection of wild animals, but I was unable to grasp its key .
| A．thoughts | B．points | C．notes | D．dots |
11.
Last month in the US Open final in New York, the Scot won again and his first Grand Slam win．
| A．conducted | B．secured | C．recognized | D．delivered |
12.
Although with two children, Shakespeare left Stratford – on – Avon at the age of 30 and went to London .
| A．being married, lonely | B．got married, lonely |
| C．been married, alone | D．married, alone |
13.
—Where did you get this book?
—I picked it up from a second-hand bookshop if you ______ know.
—I picked it up from a second-hand bookshop if you ______ know.
| A．must | B．will | C．can | D．shall |
14.
Glancing ______ his shoulder, Eric could see the dog was running after him．
| A．over | B．across | C．through | D．onto |
15.
—There is nothing worthy in today's newspaper.
—It must have disappointed you, I think.
—It must have disappointed you, I think.
| A．reading | B．to read | C．being read | D．to be read |
16.
She was clearly a customer at Scott' s, as she told the waiter that she would stick to her favorite．
| A．casual | B．common | C．regular | D．ordinary |
17.
Since I don’t like surfing the Internet, shall I go to the library instead ______ the information we need?
| A．of to get | B．of getting | C．to get | D．getting |
18.
—Was it there _______ you were away to see your friend off?
—I’m not sure . But when I got back, it was gone.
—I’m not sure . But when I got back, it was gone.
| A．that | B．which | C．where | D．while |
19.
— When would it be possible for Lucy to see the judge or it was—the lawyer?
—Next week．
—Next week．
| A．which | B．who | C．whoever | D．whichever |
20.
The Charles Dickens Museum in Doughty Street is the only one of his Londonhomes to survive，______he wrote Oliver Twist.
| A．where | B．that | C．which | D．What |
21.
I stared into the blackness and wondered if he was as aware of my presence as I .
| A．was of his | B．did of him | C．was him | D．did his |
试卷分析
-
【1】题量占比
选择题:(9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：11
7星难题：0
8星难题：1
9星难题：0