1.选择题- (共5题)
1.将铜丝烧热，迅速插入氢气中，发生反应：
。若用下列物质代替氢气进行上述实验：①一氧化碳、②稀硝酸、③稀盐酸、④乙醇，铜丝表面所观察到的现象、铜丝质量变化情况与上述实验完全相同的是（ ）
。若用下列物质代替氢气进行上述实验：①一氧化碳、②稀硝酸、③稀盐酸、④乙醇，铜丝表面所观察到的现象、铜丝质量变化情况与上述实验完全相同的是（ ）
2.根据以下三个热化学方程式：
2H2S(g)+3O2(g) → 2SO2(g)+2H2O(1)+akJ
2H2S(g)+O2(g) → 2S(s)+2H2O(1)+bkJ
2H2S(g)+O2(g) → 2S(s)+2H2O(g)+ckJ（a、b、c均为正数）
对a、b、c三者大小关系的判断正确的是（ ）
2H2S(g)+3O2(g) → 2SO2(g)+2H2O(1)+akJ
2H2S(g)+O2(g) → 2S(s)+2H2O(1)+bkJ
2H2S(g)+O2(g) → 2S(s)+2H2O(g)+ckJ（a、b、c均为正数）
对a、b、c三者大小关系的判断正确的是（ ）
H2O22.单项选择- (共7题)
6.
The question will also calm the person ,______him or her know that help is on the way .
The question will also calm the person ,______him or her know that help is on the way .
| A．to let | B．lets | C．letting | D．to have let |
7.
.—I’d like to book a room for tonight.
—Sorry, sir, but we don’t have any rooms______at the moment.
.—I’d like to book a room for tonight.
—Sorry, sir, but we don’t have any rooms______at the moment.
| A．available | B．useable | C．suitable | D．comfortable |
8.
.His words were_____out by loud cheers from the crowd
.His words were_____out by loud cheers from the crowd
| A．drowned | B．cried | C．expressed | D．crowded |
9.
The best way for starting a person’s breathing is to use______way
The best way for starting a person’s breathing is to use______way
| A．face to face | B．mouth-to-mouth | C．face-to-face | D．mouth to mouth |
10.
. The school of the future will probably be quite different from_____they are today.
. The school of the future will probably be quite different from_____they are today.
| A．that | B．what | C．which | D．ones |
11.
After reading a book or a magazine in the reading room , put it back_____it was.
After reading a book or a magazine in the reading room , put it back_____it was.
| A．what | B．which | C． that | D．where |
试卷分析
-
【1】题量占比
选择题:(5道)
单项选择:(7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：7
9星难题：0