1.选择题- (共10题)
5.有一种含碎菜叶、碎塑料薄膜、泥沙、氯化钠、碳酸钠,还具有一些臭味的生活污水(生活污水的成分非常复杂，为了便于讨论，已将其组成做了简化)，将其经去渣、去臭处理后转化为厕所的清洗用水。问：
10.现有白纸，溶质质量分数分别为：A、10%的NaOH溶液；B、5%的硫酸溶液；C、5%的紫色石蕊试液。试设计出《“雨”落叶出红花开》的趣味实验：先在白纸上用玻璃棒蘸取{#blank#}1{#/blank#}（填编号，下同）画上花，再蘸{#blank#}2{#/blank#}画上叶，将白纸挂上墙，用{#blank#}3{#/blank#}向纸上喷洒即可，实验的化学原理是{#blank#}4{#/blank#}。
2.单项选择- (共9题)
11.
Riddle guessing on New Year’s Eve has become my family ________ for many years.
| A．habit | B．act |
| C．tradition | D．way |
12.
I used to think that roses were ______ red or white, but now I know there are yellow and blue roses.
| A．neither | B．nor |
| C．either | D．both |
13.
When ________ by a CCTV reporter how he felt about his failure in the match, he simply said he would be back.
| A．ask | B．asking |
| C．to ask | D．asked |
14.
We need to increase employment. We need to reduce crime. And _______, we need to protect our environment.
| A．really | B．finally |
| C．firstly | D．seriously |
15.
We have been friends ever________ we were at school together.
| A．before | B．since |
| C．after | D．while |
16.
Bravely ________ they fought, they had no chance of winning the match.
| A．though | B．if |
| C．as | D．because |
17.
I ______ you at 9 o’clock tomorrow morning in front of the school gate.
| A．will be expecting | B．will expect |
| C．am expecting | D．expect |
试卷分析
-
【1】题量占比
选择题:(10道)
单项选择:(9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：8
7星难题：0
8星难题：1
9星难题：0