1.选择题- (共2题)
1.t℃时，将3molA和1molB气体通入容积为2L的密闭容器中（容积不变），发生如下反应3A（g）+B（g）⇌xC（g），2min时反应到达平衡状态（温度不变），此时容器内剩余了0.8molB，并测得C的浓度为0.4mol•L﹣1．请填写下列空白：
2.t℃时，将3molA和1molB气体通入容积为2L的密闭容器中（容积不变），发生如下反应3A（g）+B（g）⇌xC（g），2min时反应到达平衡状态（温度不变），此时容器内剩余了0.8molB，并测得C的浓度为0.4mol•L﹣1．请填写下列空白：
2.单项选择- (共6题)
3.
Believe it or not, there are a number of words in the English language which were French in __________.
| A．demand | B．principle | C． theory | D． origin |
4.
When asked about the secret about staying young, he said that a balanced diet __________ with exercise was the recipe for a healthy life.
| A． conducted | B． concluded | C． combined | D．connected |
5.
The chairman asked me to __________ the report, because he didn’t want to speak for too long at this meeting.
| A．cut off | B．cut away | C．cut out | D．cut down |
6.
The businessman offered a(n) __________ price for one of her collections, giving her a pleasant surprise.
| A．fundamental | B．genuine | C．unbelievable | D．average |
7.
Passengers will likely face the usual struggle to get their tickets during festivals, __________ at railway stations, where long lines are expected.
| A．exactly | B．obviously | C．actually | D．particularly |
试卷分析
-
【1】题量占比
选择题:(2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：4
7星难题：0
8星难题：2
9星难题：0