1.选择题- (共4题)
1.已知723 K时，2SO2(g)+O2(g)
2SO3(g) ΔH=－Q，在相同条件下，向一密闭容器中通入2 mol SO2和1 mol O2，达到平衡时放出的热量为Q1；向另一体积相同的密闭容器中通入1 mol SO2和0.5 mol O2，达到平衡时放出的热量为Q2。则Q1、Q2、Q满足的关系是
2SO3(g) ΔH=－Q，在相同条件下，向一密闭容器中通入2 mol SO2和1 mol O2，达到平衡时放出的热量为Q1；向另一体积相同的密闭容器中通入1 mol SO2和0.5 mol O2，达到平衡时放出的热量为Q2。则Q1、Q2、Q满足的关系是
2.已知723 K时，2SO2(g)+O2(g)2SO3(g) ΔH=－Q，在相同条件下，向一密闭容器中通入2 mol SO2和1 mol O2，达到平衡时放出的热量为Q1；向另一体积相同的密闭容器中通入1 mol SO2和0.5 mol O2，达到平衡时放出的热量为Q2。则Q1、Q2、Q满足的关系是
2SO3(g) ΔH=－Q，在相同条件下，向一密闭容器中通入2 mol SO2和1 mol O2，达到平衡时放出的热量为Q1；向另一体积相同的密闭容器中通入1 mol SO2和0.5 mol O2，达到平衡时放出的热量为Q2。则Q1、Q2、Q满足的关系是
3. He made it clear that only the point that new technologies hold the key to increasing productivity the economy in the long run.
2.单项选择- (共6题)
5.
. Her letters_____ the beautiful days when they lived in his hometown.
. Her letters_____ the beautiful days when they lived in his hometown.
| A．call up | B．call for | C．call on | D．call at |
6.
He has been fired and will have to ____ over charge of his office tomorrow.
He has been fired and will have to ____ over charge of his office tomorrow.
| A．take | B．hand | C．get | D．go |
7.
. --- Will Wednesday or Thursday_____ you?
--- Either will _______.
. --- Will Wednesday or Thursday_____ you?
--- Either will _______.
| A．fit,be | B．fit, OK | C．suit, all right | D．suit, do |
9.
I could see a low bamboo hut standing there ______ grass sticking out ____ the roof.
I could see a low bamboo hut standing there ______ grass sticking out ____ the roof.
| A．with… of | B．with… from | C．on… from | D．at… of |
试卷分析
-
【1】题量占比
选择题:(4道)
单项选择:(6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：6
9星难题：0