1.选择题- (共10题)
1.在体积为V L的恒容密闭容器中盛有一定量H2,通入Br2(g)发生反应H2(g)+Br2(g)⇌2HBr(g)△H<0.当温度分别为T1、T2,平衡时,H2的体积分数与Br2(g)的物质的量变化关系如图所示.下列说法正确的是( )
2.在体积为V L的恒容密闭容器中盛有一定量H2,通入Br2(g)发生反应H2(g)+Br2(g)⇌2HBr(g)△H<0.当温度分别为T1、T2,平衡时,H2的体积分数与Br2(g)的物质的量变化关系如图所示.下列说法正确的是( )
3.在体积为V L的恒容密闭容器中盛有一定量H2,通入Br2(g)发生反应H2(g)+Br2(g)⇌2HBr(g)△H<0.当温度分别为T1、T2,平衡时,H2的体积分数与Br2(g)的物质的量变化关系如图所示.下列说法正确的是( )
4.硫在空气中燃烧可以生成SO2,SO2在催化剂作用下可以被氧化为SO3,其热化学方程式可表示为:S(g)+O2(g)═SO2(g)△H=﹣297kJ/mol,SO2(g)+ O2(g)⇌SO3(g);△H=﹣98.3kJ/mol.如图是上述两个反应过程与能量变化的关系图,其中Ⅰ表示0.4mol SO2(g)、1.6mol SO3(g)、0.2mol O2(g)具有的能量,Ⅲ表示64gS(g)与96g O2(g)所具有的能量.


5.硫在空气中燃烧可以生成SO2,SO2在催化剂作用下可以被氧化为SO3,其热化学方程式可表示为:S(g)+O2(g)═SO2(g)△H=﹣297kJ/mol,SO2(g)+ O2(g)⇌SO3(g);△H=﹣98.3kJ/mol.如图是上述两个反应过程与能量变化的关系图,其中Ⅰ表示0.4mol SO2(g)、1.6mol SO3(g)、0.2mol O2(g)具有的能量,Ⅲ表示64gS(g)与96g O2(g)所具有的能量.


6.在如图所示的三个容积相同的容器①②③中进行如下反应:3A(g)+B(g)⇌2C(g)△H<0,若起始温度相同,分别向三个容器中通入3mol A和1mol B,则达到平衡时各容器中C物质的体积分数由大到小的顺序为( )
9.
Tom looked at Jenny, with tears _______ his eyes, and shouted out the words _______ in his heart for years.
Tom looked at Jenny, with tears _______ his eyes, and shouted out the words _______ in his heart for years.
10.
Tom looked at Jenny, with tears _______ his eyes, and shouted out the words _______ in his heart for years.
Tom looked at Jenny, with tears _______ his eyes, and shouted out the words _______ in his heart for years.
2.单项选择- (共12题)
11.
In Scandinavian countries it is common ____ for the husband to stay at home to look after the baby.
A.use | B.practice | C.sense | D.idea |
12.
Many people have been ill from a strange disease these days, _____ we’ve never heard of before.
A.it | B.that | C.one | D.this |
13.
In 1948, three American scientists invented ____ transistor, which is ____ small electronic device to control an electric current.
A.the; a | B.a; a | C.the; the | D.a; the |
14.
All those second-hand goods are sold at before.
A.30%as lower price as | B.30%as low a price as |
C.as 30%low price as | D.30%lower price than |
15.
The official made the demand that the soldiers ____ at once _____ battlefront.
A.leave; for | B.to leave; to | C.left; to | D.to be left; for |
16.
--- Can you introduce me a high quality machine?
--- My pleasure. _______ well even on wet roads, this kind of car is very popular.
--- My pleasure. _______ well even on wet roads, this kind of car is very popular.
A.Handled | B.To handle | C.Handling | D.Being handled |
17.
Many a student ________ going to have themselves ________ in the hospital.
A.is; to examine | B.are; examine | C.is; examined | D.are; examining |
18.
—Nothing wrong with it, ____?
—Yes. The computer says, “Please check this disk before entering data.”
—Yes. The computer says, “Please check this disk before entering data.”
A.is it | B.has it | C.does it | D.is there |
19.
Much ________ he has a good taste for China’s football matches, he can’t avoid being influenced by the side effects of the football gambling.
A.that he claims | B.does he claim |
C.is it that he claims | D.as he claims |
20.
The decision _____ giving lessons during vacations and weekends should be banned is ____ the Education Department of Anhui Province has made.
A.whether, which | B.why, that | C.that, the one | D.what, what |
21.
They wouldn’t agree to sell the house to us at the same price _____ they had promised, _____ was rather disappointing.
A.which ; as | B.as ; that | C.as ; which | D.that ; that |
试卷分析
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【1】题量占比
选择题:(10道)
单项选择:(12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:2
5星难题:0
6星难题:7
7星难题:0
8星难题:3
9星难题:0