1.选择题- (共7题)
1.由短周期元素组成的物质之间的转化关系如下图所示．其中，A为两种元素组成的化合物，反应①中生成C、D物质的量之比为3：4，D是不溶于水的白色固体，除反应③⑤外其他反应均在溶液中进行，F、G是气态非金属单质，K是一种常见的非极性有机溶剂，密度比水大．（某些生成物和反应条件已略去）
2.由短周期元素组成的物质之间的转化关系如下图所示．其中，A为两种元素组成的化合物，反应①中生成C、D物质的量之比为3：4，D是不溶于水的白色固体，除反应③⑤外其他反应均在溶液中进行，F、G是气态非金属单质，K是一种常见的非极性有机溶剂，密度比水大．（某些生成物和反应条件已略去）
3.
食盐中含有一定量的镁、铁等杂质，加碘盐中碘的损失主要是由于杂质、水份、空气中的氧气以及光照、受热而引起的．已知：
氧化性：IO ＞Fe3+＞I2；还原性：S2O ＞I﹣
3I2+6OH﹣═5I﹣+IO +3H2O KI+I2=KI3
4.现有前四周期A、B、C、D、E、X六种元素，已知B、C、D、E、A五种非金属元素原子半径依次减小，其中B的s能级上电子总数等于p能级上电子总数的2倍．X原子的M能层上有4个未成对电子．请回答下列问题：
5.在某温度下，将H2和I2各1mol的气态混合物充入1L的密闭容器中，发生反应：H2（g）+I2（g）⇌2HI（g）△H＜0；5min后达到平衡状态，测得c（H2）=0.9mol•L﹣1，则下列结论中，不能成立的是（ ）
6.在某温度下，将H2和I2各1mol的气态混合物充入1L的密闭容器中，发生反应：H2（g）+I2（g）⇌2HI（g）△H＜0；5min后达到平衡状态，测得c（H2）=0.9mol•L﹣1，则下列结论中，不能成立的是（ ）
2.单项选择- (共14题)
8.
There seemed to be no human beings in that village, and the only ______ of life was a boat tied to a tree.
| A．symbol | B．mark | C．signal | D．sign |
9.
Don’t you think the flowers here are more fresh than ______ on the table?
| A．that | B．them | C．those | D．which |
10.
I have to go to the new building under_____ construction, and can you give me _____ lift?
| A．a, a | B．a,/ | C．/, a | D．/,/ |
11.
---Where is the nearest hospital?
--- Not very far. It is _________.
--- Not very far. It is _________.
| A．within an hour’s flying time | B．within 10 minute’s walk |
| C． within 5 minutes’ drive | D．within 10 minutes walk |
12.
David is so curious that no one can ________ from finding out what is going on.
| A．hold him back | B．hold him up |
| C．hold to him | D．hold him down |
13.
What the salesman said was so persuasive that the old man was completely ______.
| A．taken in | B．given in | C．brought in | D．turned in |
14.
The man with a scar across his face is said _________ many valuable items from the museum.
| A．having stolen | B．to steal | C．stealing | D．to have stolen |
15.
The traffic rule says that the children ______less than 40 pounds and under the age of four must be in a child safety seat.
| A．being weighed | B．weigh | C．weighed | D．weighing |
16.
--- I don’t want to ask him for help, for he is a hard man.
--- But, in fact, he is _______ glad to help.
--- But, in fact, he is _______ glad to help.
| A．more than | B．not | C．less than | D．much |
18.
—I wonder how much you charge for your services.
—The first two are free, _______the third costs ＄30.
—The first two are free, _______the third costs ＄30.
| A．while | B．until | C．when | D．before |
19.
The real-name system _______ train tickets will be sold based on real names is aimed to fight ticket-scalping, which has long been a headache for Chinese travelers.
| A．which | B．that | C．from which | D．in which |
20.
The Gate of Fortune, from _____ top tourists can enjoy a wonderful view, has attracted lots of visitors.
| A．its | B．whose | C．where | D．which |
试卷分析
-
【1】题量占比
选择题:(7道)
单项选择:(14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：8
5星难题：0
6星难题：5
7星难题：0
8星难题：0
9星难题：0