1.选择题- (共6题)
1.元素周期表是学习和研究化学的重要工具．请根据下表（元素周期表的部分内容）回答有关问题：
族 周期 | ⅠA | ⅡA | ⅢA | ⅣA | ⅤA | ⅥIA | VIIA | 0 |
2 | 3 Li 锂 6.941 | 4 Be 铍 9.012 | 5 B 硼 10.81 | 6 C 碳 12.01 | 7 N 氮 14.01 | 8 O 氧 16.00 | 9 F 氟 19.00 | 10 Ne 氖 20.18 |
3 | 11 Na 钠 22.99 | 12Mg 镁 24.31 | 13 Al 铝 26.98 | 14 Si 硅 28.09 | 15 P 磷 30.97 | 16 S 硫 32.06 | 17 Cl 氯 35.45 | 18 Ar 氩 39.95 |
2.元素周期表是学习和研究化学的重要工具．请根据下表（元素周期表的部分内容）回答有关问题：
族 周期 | ⅠA | ⅡA | ⅢA | ⅣA | ⅤA | ⅥIA | VIIA | 0 |
2 | 3 Li 锂 6.941 | 4 Be 铍 9.012 | 5 B 硼 10.81 | 6 C 碳 12.01 | 7 N 氮 14.01 | 8 O 氧 16.00 | 9 F 氟 19.00 | 10 Ne 氖 20.18 |
3 | 11 Na 钠 22.99 | 12Mg 镁 24.31 | 13 Al 铝 26.98 | 14 Si 硅 28.09 | 15 P 磷 30.97 | 16 S 硫 32.06 | 17 Cl 氯 35.45 | 18 Ar 氩 39.95 |
3.有甲、乙、丙、丁四种无色溶液，它们分别是HCl、H2SO4、BaCl2、Na2CO3溶液中的一种．为区别这四种溶液，现将它们两两混合并得到下面现象：
溶液 | 甲+乙 | 乙+丙 | 丙+丁 | 甲+丁 |
现象 | 无明显现象 | 白色沉淀 | 白色沉淀 | 无色气体 |
根据对上述现象的分析，可推知甲、乙、丙、丁四种溶液的顺序依次是（ ）
4.有甲、乙、丙、丁四种无色溶液，它们分别是HCl、H2SO4、BaCl2、Na2CO3溶液中的一种．为区别这四种溶液，现将它们两两混合并得到下面现象：
溶液 | 甲+乙 | 乙+丙 | 丙+丁 | 甲+丁 |
现象 | 无明显现象 | 白色沉淀 | 白色沉淀 | 无色气体 |
根据对上述现象的分析，可推知甲、乙、丙、丁四种溶液的顺序依次是（ ）
6.某校化学实验操作考试中，有一题目是鉴别澄清石灰水和氢氧化钠溶液．请你参与探究：
[提出问题]如何鉴别这两种无色溶液？
[实验方案]小琪等几位同学进行了如图所示的实验．
请你回答下列问题：
2.单项选择- (共10题)
7.
The zoologist is telling the visitors how a horse’s vision differs from ______ of a human.
| A．it | B．one | C．that | D．those |
8.
Today the canal is still being used. Ships can be seen moving on ______ water now and then. But it is no longer ______ busy water highway.
| A．a, the | B．the, / | C．/, a | D．the, a |
9.
The Internet gives people the chance to have the information they need ______ to them quickly and cheaply.
| A．deliver | B．delivering | C．delivered | D．to deliver |
10.
According to the report, an Iranian nuclear scientist was killed and two people were injured when a bomb ______ to a car exploded in its capital city.
| A．attaching | B．attached | C．to be attached | D．having attached |
11.
According to a study carried out by an American university, when you eat has ______ on your mood as ______ you eat.
| A．much of as an effect; what | B．much of as an effect; which |
| C．as much of an effect; what | D．as much of an effect; which |
12.
Without that conversation between them, they would ______ be able to avoid mistakes.
| A．in no time | B．by all means | C．in no way | D．on the whole |
13.
Growing up ________ Michael Jordan was in his prime，Beijing native Wu You knew what he wanted to do.
| A．since | B．when |
| C．until | D．before |
14.
The school board listened quietly as Jack read the demands that his classmates ______ forward.
| A．be putting | B．had put | C．were put | D．have put |
15.
This book will show the readers ______ can be used in other contexts.
| A．how that they have observed | B．that how they have observed |
| C．how what they have observed | D．that they have observed |
试卷分析
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【1】题量占比
选择题:(6道)
单项选择:(10道)
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【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：10
7星难题：0
8星难题：0
9星难题：0