1.选择题- (共12题)
5.某兴趣小组对物质的性质进行相关探究．
【提出问题】氯化氢（HCl）气体显酸性吗？
【进行实验】该兴趣小组的同学根据二氧化碳与水反应的实验探究方法，用三朵由紫甘蓝的汁液染成蓝紫色的纸质干燥小花进行如图1的三个实验：
实验现象：Ⅰ和Ⅱ中小花不变色；Ⅲ中小花变红色．
【查阅资料】图2是同学们查阅的氯化氢气体溶于水的微观示意图．
【实验结论】氯化氢气体不显酸性．
【交流反思】
6.某兴趣小组对物质的性质进行相关探究．
【提出问题】氯化氢（HCl）气体显酸性吗？
【进行实验】该兴趣小组的同学根据二氧化碳与水反应的实验探究方法，用三朵由紫甘蓝的汁液染成蓝紫色的纸质干燥小花进行如图1的三个实验：
实验现象：Ⅰ和Ⅱ中小花不变色；Ⅲ中小花变红色．
【查阅资料】图2是同学们查阅的氯化氢气体溶于水的微观示意图．
【实验结论】氯化氢气体不显酸性．
【交流反思】
10.2015年8月12日晚天津开发区化工厂发生爆炸事故．化工厂里面有各种危险化学品，其中有一种叫电石的固体，其主要成分为碳化钙（CaC2），可与水反应生成可燃性气体乙炔（C2H2），十分危险，同时生成一种白色固体．
【提出问题】白色固体是什么物质？
2.单项选择- (共11题)
13.
More attention must be paid____ the endangered animals.
| A．protect | B．to protect | C．to protecting | D．protecting |
14.
I won’t see the film tonight. I am busy. ______, it is raining cats and dogs.
| A．Beside | B．However | C．Besides | D．As well as |
15.
It was _______ to see so many ________ people in a small town.
| A．amazing; amazing | B．amazing; amazed |
| C．amazed; amazed | D．amazed; amazing |
16.
The tiger, once a ____ animal to humans, is now ____ of disappearing on the earth.
| A．dangerous, danger | B．dangerous, in danger |
| C．in danger, in danger | D．danger, in danger |
17.
The young man helped the company recover, so his boss gave him an apartment _________.
| A．in return | B．in turn | C．in charge | D．in fact |
18.
__________, he caught up with others.
| A．With the help of the teacher’s | B．With the teacher’s help |
| C．By the teacher’s help | D．On the teacher’s help |
19.
This book _________12 units, _________ the unit of Music.
| A．contains, including | B．includes, containing |
| C．contains, includes | D．including, contains |
20.
Computers in offices and homes since 1970s．
| A．have been used | B．had been used | C．was | D．has been used |
21.
The reason _______ he was late was _______ he missed the bus.
| A．why, that | B．why, because | C．that, why | D．because, why |
试卷分析
-
【1】题量占比
选择题:(12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：3
5星难题：0
6星难题：8
7星难题：0
8星难题：0
9星难题：0