1.选择题- (共11题)
1.酥脆的饼干在空气中放置一段时间变软，说明空气中含有{#blank#}1{#/blank#}
呼吸作用说明空气中含有{#blank#}2{#/blank#}
石灰水变浑浊{#blank#}3{#/blank#}
豆科植物不用施氮肥，说明空气中含有{#blank#}4{#/blank#}．
2.空气是人类赖以生存的自然资源．空气中按体积分数计算，含量最多的气体是{#blank#}1{#/blank#}，它约占空气体积的{#blank#}2{#/blank#}，能支持燃烧和供给呼吸的气体是{#blank#}3{#/blank#}，澄清的石灰水长期露置在空气中会出现白色固体物质，说明空气中含有{#blank#}4{#/blank#}，节日里五光十色的霓虹灯内填充的气体是{#blank#}5{#/blank#}，空气是一种{#blank#}6{#/blank#}（填混合物、纯净物）．
3.空气是人类赖以生存的自然资源．空气中按体积分数计算，含量最多的气体是{#blank#}1{#/blank#}，它约占空气体积的{#blank#}2{#/blank#}，能支持燃烧和供给呼吸的气体是{#blank#}3{#/blank#}，澄清的石灰水长期露置在空气中会出现白色固体物质，说明空气中含有{#blank#}4{#/blank#}，节日里五光十色的霓虹灯内填充的气体是{#blank#}5{#/blank#}，空气是一种{#blank#}6{#/blank#}（填混合物、纯净物）．
6.空气中按体积分数计算，含量最多的气体是{#blank#}1{#/blank#}，它约占空气体积的{#blank#}2{#/blank#}，能支持燃烧的气体是{#blank#}3{#/blank#}，它约占空气体积的{#blank#}4{#/blank#}，稀有气体约占空气体积的{#blank#}5{#/blank#}．
7.空气中的各种气体按体积分数由大到小排列的是{#blank#}1{#/blank#}；{#blank#}2{#/blank#}；{#blank#}3{#/blank#}；{#blank#}4{#/blank#}还有其他气体和杂质．
9.空气的成分，按体积分数计算，{#blank#}1{#/blank#}约占 {#mathml#}{#/mathml#} ，{#blank#}2{#/blank#}约占空气体积的 {#mathml#}{#/mathml#} ．
10.空气的成分，按体积分数计算，{#blank#}1{#/blank#}约占 {#mathml#}{#/mathml#} ，{#blank#}2{#/blank#}约占空气体积的 {#mathml#}{#/mathml#} ．
2.单项选择- (共15题)
12.
— Are you expecting to receive a digital camera as a gift?
— Yeah! I can’t wait to get .
— Yeah! I can’t wait to get .
| A．some | B．any | C．it | D．one |
14.
— She looks rather upset. She the exam.
— I guess so. It’s very difficult after all.
— I guess so. It’s very difficult after all.
| A．must have failed | B．can fail |
| C．would have failed | D．should fail |
15.
It is important to know about the cultural differences that cause problems.
| A．must | B．dare | C．shall | D．may |
16.
Visitors to the hills are greeted by signs them to look out.
| A．warn | B．to warn | C．warning | D．warned |
17.
— Can the project be finished as planned?
— Sure. it completed in time, we’ll work two more hours a day.
— Sure. it completed in time, we’ll work two more hours a day.
| A．Get | B．To get | C．Getting | D．Got |
18.
The listeners were much than hoped. There were so many tickets left.
| A．fewer | B．larger | C．more | D．less |
19.
He has been the computer for two hours, chatting with a boy from Australia.
| A．in | B．on | C．at | D．by |
21.
she was out of the room, he took a quick look at the papers on her desk.
| A．If | B．While | C．Though | D．Unless |
23.
If we earlier, we couldn’t be waiting here in a queue.
| A．have started | B．started | C．start | D．had started |
24.
In the past several weeks, many cities in Northern China from heavy fogs and severe cold.
| A．had suffered | B．have been suffering | C．were suffered | D．suffered |
25.
— Jim has gone to Britain to see a modern art exhibition.
— Oh, really? Do you know when he ?
— Oh, really? Do you know when he ?
| A．leaves | B．will leave | C．was leaving | D．left |
试卷分析
-
【1】题量占比
选择题:(11道)
单项选择:(15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：14
7星难题：0
8星难题：0
9星难题：0