1.选择题- (共6题)
3.丁烷在一定条件下裂解可按两种方式进行:
C4H10 {#mathml#}{#/mathml#} C2H6+C2H4,C4H10 {#mathml#}{#/mathml#} CH4+C3H6.
如图是某化学兴趣小组进行丁烷裂解的实验流程.(注:CuO能将烃氧化成CO2和H2O,G后面装置与答题无关,省略)
按上图连好装置后,需进行的实验操作有:①给D、G装置加热; ②检查整套装置的气密性; ③排出装置中的空气等…
2.单项选择- (共13题)
7.
— Which of these two books will you take?
—I will take ______ in case the trip is boring.
A. all B. either C. both D. neither
—I will take ______ in case the trip is boring.
A. all B. either C. both D. neither
8.
The passengers were at ________ loss when ________ word came that their voyage was called off because of the hurricane.
A. the; a B. a; the C. a;/ D. /; a
A. the; a B. a; the C. a;/ D. /; a
9.
Tom is _______ learning English. To learn it well, he abandons all his hobbies.
A. bound to B. desperate to C. bent on D. accustomed to
A. bound to B. desperate to C. bent on D. accustomed to
10.
Mary ________ a smile when she heard her family went to Australia without her.
A. wore B. performed C. controlled D. managed
A. wore B. performed C. controlled D. managed
11.
Generally speaking, _______ according to the directions, the drug has no side effect.
A. if taking B. if taken C. if to take D. if being taken
A. if taking B. if taken C. if to take D. if being taken
12.
— I heard that there were a lot of shouts and screams at yesterday’s party. It must have been terrible.
— Oh, no. ________, I enjoyed every minute.
A. On the contrary B. In the end C. As a result D. On the other hand
— Oh, no. ________, I enjoyed every minute.
A. On the contrary B. In the end C. As a result D. On the other hand
13.
— It’s ten years since I met you last time. I ________ you at all.
—I wouldn’t have, either, if someone ________ you by name.
A. didn’t recognize; didn’t call B. haven’t recognized; didn’t call
C. can’t recognize; had called D. didn’t recognize; hadn’t called
—I wouldn’t have, either, if someone ________ you by name.
A. didn’t recognize; didn’t call B. haven’t recognized; didn’t call
C. can’t recognize; had called D. didn’t recognize; hadn’t called
14.
—Peter, you look so tired and wet all over!
—Yes, all afternoon I ________ football on the playground.
A. am playing B. have been playing C. played D. have played
—Yes, all afternoon I ________ football on the playground.
A. am playing B. have been playing C. played D. have played
15.
—Mom, today I received a message telling me to send money to the account.
—Delete it. It’s a trick. Many a person ________ by such tricks.
A. have been cheated B. were cheated
C. has been cheated D. was cheated
—Delete it. It’s a trick. Many a person ________ by such tricks.
A. have been cheated B. were cheated
C. has been cheated D. was cheated
16.
Look!The ground is wet.It must have rained last night,________?
A.hasn’t it | B.didn’t it |
C.mustn’t it | D.hadn’t it |
17.
Now our school is four times ________ it was twenty years ago.
A. when B. which C. that D. what
A. when B. which C. that D. what
18.
So sudden ________that the residents had no time to escape.
A.was the earthquake | B.did the earthquake |
C.the earthquake did | D.the earthquake was |
试卷分析
-
【1】题量占比
选择题:(6道)
单项选择:(13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:12
5星难题:0
6星难题:0
7星难题:0
8星难题:0
9星难题:0