1.选择题- (共8题)
4.已知下列热化学方程式：
（1）CH3COOH(l)+2O2(g) == 2CO2(g)＋2H2O(l) ΔH1＝－870.3 kJ·mol-1
（2）C(s)+ O2(g) == CO2(g) △H2＝－393.5 kJ•mol-1
（3）H2(g) +
O2(g) == H2O(l) △H3＝－285.8kJ·mol-1
则反应2C(s)+2H2(g) +O2(g) == CH3COOH(l)的△H为（ ）
（1）CH3COOH(l)+2O2(g) == 2CO2(g)＋2H2O(l) ΔH1＝－870.3 kJ·mol-1
（2）C(s)+ O2(g) == CO2(g) △H2＝－393.5 kJ•mol-1
（3）H2(g) +
O2(g) == H2O(l) △H3＝－285.8kJ·mol-1则反应2C(s)+2H2(g) +O2(g) == CH3COOH(l)的△H为（ ）
6.灰锡（以粉末状存在）和白锡是锡的两种同素异形体。
已知：①Sn（s，白）+2HCl（aq）="=" SnCl2（aq）+H2（g） ΔH1
②Sn（s，灰）+2HCl（aq）="=" SnCl2（aq）+H2（g） ΔH2
③Sn（s，灰）
Sn（s，白） ΔH3 =" +2.1" kJ·mol-1
下列说法正确的是（ ）
已知：①Sn（s，白）+2HCl（aq）="=" SnCl2（aq）+H2（g） ΔH1
②Sn（s，灰）+2HCl（aq）="=" SnCl2（aq）+H2（g） ΔH2
③Sn（s，灰）
Sn（s，白） ΔH3 =" +2.1" kJ·mol-1下列说法正确的是（ ）
7.灰锡（以粉末状存在）和白锡是锡的两种同素异形体。
已知：①Sn（s，白）+2HCl（aq）="=" SnCl2（aq）+H2（g） ΔH1
②Sn（s，灰）+2HCl（aq）="=" SnCl2（aq）+H2（g） ΔH2
③Sn（s，灰） Sn（s，白） ΔH3 =" +2.1" kJ·mol-1
下列说法正确的是（ ）
已知：①Sn（s，白）+2HCl（aq）="=" SnCl2（aq）+H2（g） ΔH1
②Sn（s，灰）+2HCl（aq）="=" SnCl2（aq）+H2（g） ΔH2
③Sn（s，灰）
Sn（s，白） ΔH3 =" +2.1" kJ·mol-1下列说法正确的是（ ）
2.单项选择- (共9题)
9.
The expert’s suggestion is that the villagers in Yunnan Province should have __________ to fresh and clean water as soon as possible.
The expert’s suggestion is that the villagers in Yunnan Province should have __________ to fresh and clean water as soon as possible.
| A．entry | B．path | C．approach | D．access |
10.
. I’d appreciate ________ if you would be willing to teach me how to pronounce these new words.
. I’d appreciate ________ if you would be willing to teach me how to pronounce these new words.
| A．that | B．this | C．it | D．them |
11.
Sophie dreams of walking in______ outer space like ______astronaut one day.
| A．/; the | B．/; an | C．an; an | D．a; an |
12.
. __________ in Hangzhou station for two hours, the old man eventually caught the last train to go back to his home in Huangyan.
. __________ in Hangzhou station for two hours, the old man eventually caught the last train to go back to his home in Huangyan.
| A．Waiting | B．To wait | C．Having waited | D．To have waited |
13.
31. It’s not reasonable to regard all football fans as trouble makers — it’s only a few of them who are to blame for the violence.
31. It’s not reasonable to regard all football fans as trouble makers — it’s only a few of them who are to blame for the violence.
| A．potential | B．various | C．illegal | D．adequate |
14.
. — Are you sure the 2010 Shanghai World Expo will be a great success?
— Yes, __________! It’ll be wonderful!
. — Are you sure the 2010 Shanghai World Expo will be a great success?
— Yes, __________! It’ll be wonderful!
| A．actually | B．relevantly | C．theoretically | D．absolutely |
15.
. Jack is always occupied __________ his work, which makes him have no time to stay with his family.
. Jack is always occupied __________ his work, which makes him have no time to stay with his family.
| A．by | B．for | C．with | D．to |
16.
Was it in the grand closing ceremony __________ people bathed themselves in a sea of abundant happiness?
Was it in the grand closing ceremony __________ people bathed themselves in a sea of abundant happiness?
| A．that | B．what | C．which | D．where |
试卷分析
-
【1】题量占比
选择题:(8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：0
7星难题：0
8星难题：9
9星难题：0