1.选择题- (共3题)
3.几位同学在探索pH对α-淀粉酶活性的影响时,设计的实验方案如下。其中操作及顺序最合理的是 ( )
①在三个试管中各加入可溶性淀粉溶液2 mL
②在三个试管中各加入新鲜的α-淀粉酶溶液1mL
③置于适宜温度下保温5min
④分别置于100℃、60℃、0℃环境中保温5min
⑤加入斐林试剂后,水浴加热,观察现象
⑥将试管中溶液的pH分别调到3、7、11,保持5min
①在三个试管中各加入可溶性淀粉溶液2 mL
②在三个试管中各加入新鲜的α-淀粉酶溶液1mL
③置于适宜温度下保温5min
④分别置于100℃、60℃、0℃环境中保温5min
⑤加入斐林试剂后,水浴加热,观察现象
⑥将试管中溶液的pH分别调到3、7、11,保持5min
2.单项选择- (共29题)
4.
On Sundays there were a lot of children playing in the park, __ parents seated together joking.
A.whose | B.their |
C.which | D.that |
5.
There is a teapot shaped like a Chinese duck, ___ mouth made of steel.
A.whose | B.which |
C.its | D.that |
6.
All things ___, her paper is of greater value than yours.
A.considering | B.are considered |
C.considered | D.have been considered |
7.
I can honestly say with all of my heart that all of my success is __ to him because I would be nowhere without his help.
A.owned | B.devoted |
C.owed | D.distributed |
8.
Premier Li Keqiang __ the importance of developing the relationship between China and Thailand while he was visiting it.
A.approved | B.devoted |
C.realized | D.stressed |
9.
He’s very particular ______ the kitchen —— everything has to be perfectly clean and in its place.
A.about | B.in |
C.on | D.of |
10.
Many students who are learning English as a foreign language can’t ___ American English ___ British English.
A.distinguish; and | B.distinguish; from |
C.tell; and | D.tell; apart |
11.
–What ____his happiness in all his life?
-- ____ what he has got.
-- ____ what he has got.
A.has led to; Being content with | B.has led to; Being content |
C.led to; Content with | D.led him to; To content with |
12.
____ with a new type of machine, the explorers went into a cave, hoping to find some buried treasure.
A.Equipping | B.Equipped |
C.Being equipped | D.Having equipped |
13.
Health reports believe that even a little exercise is rather better than ___ at all.
A.no one | B.none |
C.nothing | D.anything |
14.
Scientists predict that the earthquake and tsunami will ___ among the costliest natural disasters on record.
A.contribute | B.group |
C.separate | D.rank |
15.
My husband came home from work at four o’clock, his task ___ early today.
A.finishing | B.finished |
C.was finished | D.had finished |
16.
I was totally mixed up by his ____ remarks. I really didn’t know what he meant.
A.definite | B.obvious |
C.careful | D.ambiguous |
17.
China is often ___ of keeping its exchange rate artificially low to promote exports. However, it is not true.
A.charged | B.accused |
C.blamed | D.commented |
18.
Located __ the eastern coast of the sea, the village is fairly new ___ only a small population of less than 3,000.
A.off; with | B.on; with |
C.in; of | D.on; in |
19.
Between the two parts of the concert is an interval, ________ the audience can buy icecream.
A.when | B.where |
C.that | D.which |
21.
Human facial expressions differ from those of animals in the degree ___ they can be controlled on purpose.
A.with which | B.for which |
C.of which | D.to which |
23.
This is the only one of the best films ________.
A.that have shown | B.that have been shown this year |
C.that you talked | D.that has been shown this year |
24.
The visitor asked to have his picture taken ___ stood the famous tower.
A.where | B.that |
C.at which | D.when |
25.
Villagers here depend on the fishing industry, ___ there won’t be much work.
A.where | B.which |
C.by which | D.without which |
26.
–Where did you learn how to plant flowers?
--It was on the very farm ___ we once worked.
--It was on the very farm ___ we once worked.
A.that | B.which |
C.what | D.where |
27.
There is nothing ambiguous ___ all illegal immigrants should be sent back across the border immediately.
A.that | B.which |
C.whether | D.when |
28.
My grandfather is fond of talking about the good old days, ___ is often the case with old people.
A.which | B.when |
C.as | D.it |
29.
By now, we have raised 50.000 pounds for the poor children, ______ is quite unexpected.
A.that | B.which | C.who | D.it |
30.
Today,we’ll discuss a number of cases___beginners of English fail to use the language properly.
A.which | B.as |
C.why | D.where |
31.
The book was written in 1946, ____ the education system has witnessed great changes.
A.when | B.during which | C.since then | D.since when |
32.
By serving others, a person focuses on someone other than himself or herself, ________ can be very eye-opening and rewarding.
A.who | B.which |
C.what | D.that |
3.用所给词的正确形式填空- (共1题)
33.
【小题1】He went to a bank ___________(change) some notes.
【小题2】___________(turn) around, she saw an ambulance ___________(drive) up.
【小题3】___________(not know) her address, I wasn’t able to contact her.
【小题4】When ___________(compare) different cultures, we often pay attention only to the differences without noticing many similarities.
【小题5】Everyone ___________(be) ready, the teacher began his class.
【小题6】The boy ___________(lead) the way, we had no trouble finding the hidden cave.
【小题7】A house _______________(build), we must save every cent.
【小题8】European football is played in about 80 countries, ___________(make) it the most popular sport in the world.
【小题9】Who will you get ______________(accompany) you on the piano at the school concert?
【小题10】The soldiers had no alternative but ___________(obey) orders.
【小题1】He went to a bank ___________(change) some notes.
【小题2】___________(turn) around, she saw an ambulance ___________(drive) up.
【小题3】___________(not know) her address, I wasn’t able to contact her.
【小题4】When ___________(compare) different cultures, we often pay attention only to the differences without noticing many similarities.
【小题5】Everyone ___________(be) ready, the teacher began his class.
【小题6】The boy ___________(lead) the way, we had no trouble finding the hidden cave.
【小题7】A house _______________(build), we must save every cent.
【小题8】European football is played in about 80 countries, ___________(make) it the most popular sport in the world.
【小题9】Who will you get ______________(accompany) you on the piano at the school concert?
【小题10】The soldiers had no alternative but ___________(obey) orders.
试卷分析
-
【1】题量占比
选择题:(3道)
单项选择:(29道)
用所给词的正确形式填空:(1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:11
5星难题:0
6星难题:15
7星难题:0
8星难题:1
9星难题:2