1.选择题- (共9题)
3.可逆反应2SO2+O2⇌2SO3达到平衡的标志是（ ）
①消耗2mol SO2的同时生成2mol SO3
②SO2、O2与SO3的物质的量之比为2：1：2
③反应混合物中，SO3的质量分数不再改变
④恒容条件下压强保持不变
⑤一定体积下气体的密度保持不变
⑥v正（SO2）=2v逆（O2）
4.可逆反应2SO2+O2⇌2SO3达到平衡的标志是（ ）
①消耗2mol SO2的同时生成2mol SO3
②SO2、O2与SO3的物质的量之比为2：1：2
③反应混合物中，SO3的质量分数不再改变
④恒容条件下压强保持不变
⑤一定体积下气体的密度保持不变
⑥v正（SO2）=2v逆（O2）
5.可逆反应2SO2+O2⇌2SO3达到平衡的标志是（ ）
①消耗2mol SO2的同时生成2mol SO3
②SO2、O2与SO3的物质的量之比为2：1：2
③反应混合物中，SO3的质量分数不再改变
④恒容条件下压强保持不变
⑤一定体积下气体的密度保持不变
⑥v正（SO2）=2v逆（O2）
2.单项选择- (共11题)
10.
The opening province which ________ thirteen counties and three coastal cities will quicken its paces of economic development.
| A．consists of | B．makes up |
| C．is included | D．is contained |
11.
by his neighbors’reply，Albert decided to make enquiries about the stolen car himself.
| A．Confused | B．Confusing | C．To be confused | D．Having confused |
13.
If you find Tom hard ____, you’d better keep away from him.
| A．to get along with | B．to get along |
| C．to be got along with | D．getting along with |
14.
What the doctors really doubt is my lather will reeover from me serious disease soon.
| A．whether | B．when | C．why | D．how |
15.
—Look, the paint is starting to come off ____ the wall is damp.
—Well, we'd better have the wall repainted some day.
—Well, we'd better have the wall repainted some day.
| A．when | B．where | C．if | D．once |
16.
One Friday, we were packing to leave for a weekend away ________ my daughter heard cries for help.
| A．after | B．while | C．since | D．when |
17.
Do you still remember ber?________her as much as I do now for a long time.
| A．haven’t missed | B．don’t miss | C．am not missing | D．didn’t miss |
18.
Please call my secretary to arrange a meeting this afternoon, or ________ it is convenient to you.
| A．whenever | B．however |
| C．whichever | D．wherever |
19.
regular exercise is very important.It’s never a good idea to exercise too close to bedmme.
| A．It | B．As | C．Although | D．Unless |
试卷分析
-
【1】题量占比
选择题:(9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：1
5星难题：0
6星难题：10
7星难题：0
8星难题：0
9星难题：0