1.选择题- (共14题)
6.下列实验方法一定能达到实验目的的是( )
选项 | 实验目的 | 实验方法 |
A | 检验一瓶气体是否为CO2 | 将燃着的木条伸入瓶中 |
B | 鉴别H2 和CH4 | 分别点燃,在火焰上方罩一干冷烧杯 |
C | 鉴别石灰水和NaOH溶液 | 加入适量的稀盐酸 |
D | 比较Zn、Cu、Ag的金属活动性 | 将Zn和Ag分别放入CuSO4溶液中 |
7.下列实验方法一定能达到实验目的的是( )
选项 | 实验目的 | 实验方法 |
A | 检验一瓶气体是否为CO2 | 将燃着的木条伸入瓶中 |
B | 鉴别H2 和CH4 | 分别点燃,在火焰上方罩一干冷烧杯 |
C | 鉴别石灰水和NaOH溶液 | 加入适量的稀盐酸 |
D | 比较Zn、Cu、Ag的金属活动性 | 将Zn和Ag分别放入CuSO4溶液中 |
14.煤燃烧产生的废气中含有SO2 ,用NaOH、Na2SO3溶液可将90%以上的SO2 吸收。涉及的反应有:
① 2NaOH+SO2=Na2SO3+H2O ② Na2SO3+SO2+H2O=2NaHSO3
③ NaHSO3+NaOH=Na2SO3+H2O
下列说法中,不正确的是( )
2.单项选择- (共20题)
15.
It is the respect for universal rights, our respect for different cultures, and our _________ to international laws that guide China's openness to other countries.
A.comprehension | B.contribution |
C.commitment | D.consideration |
16.
Although we may not realize ________, when we talk with others we make ourselves understood not just by words but also by body movements.
A.it | B.them | C.that | D.ourselves |
17.
Although Albert Einstein would someday be _________ famous scientist, he did not like __________ school.
A.a; 不填 | B.a; the | C.the; 不填 | D.the; the |
18.
—I had the computers repaired yesterday.
—How much did they _________ for that?
—How much did they _________ for that?
A.cost | B.spend | C.take | D.charge |
19.
A horrible thought _________ him when he was waiting for Tom in the airport: what if the plane from Malaysia had been hijacked(劫持)?
A.attacked | B.struck | C.beat | D.occurred |
20.
The famous actor keeps fit and athletic by __________ at the gym for an hour every morning.
A.making out | B.figuring out | C.working out | D.turning out |
21.
Afraid __________? This type of anxiety can deeply disturb people’s enjoyment of social relationships.
A.of laughing at | B.to be laughed at |
C.of being laughed at | D.being laughed at |
22.
Everybody says Rebecca and John is a perfect match; no one has ever known __________ couple.
A.a better | B.the better | C.a best | D.the best |
23.
All the travelling fare, unless specifically stated _________, includes admission charges to the attractions, shows and exhibitions we visit.
A.otherwise | B.likewise | C.therefore | D.still |
24.
Experts and teachers all think that failure is not _____ a bad thing to some extent.
A.greatly | B.necessarily | C.definitely | D.fully |
25.
______ being an outstanding physician and scientist, he was an accomplished writer and a gifted artist.
A.As far as | B.As well as | C.As soon as | D.As long as |
26.
Children’s brains cannot develop properly _________ they lack protein.
A.because | B.since |
C.when | D.unless |
27.
This is John’s photo. We miss him very much. He _______ trying to save a girl in the earthquake.
A.is killed | B.was killed |
C.has been killed | D.had been killed |
28.
If our marketing plan succeeds, we _______ the sales by thirty percent next year.
A.would increase | B.will increase |
C.would have increased | D.will be increasing |
29.
Supposing you _________ the lottery, what would you do with the money?
A.would win | B.have won | C.had won | D.won |
30.
Alex has finally become an astronaut, __________all his family members think is his dream career.
A.which | B.who | C.that | D.whom |
31.
The information confirms me in the belief __________ he, as well as his coach, is to blame.
A.whether | B.why | C.which | D.that |
32.
I’m hoping that John will let us have the car tonight; __________, I’m afraid we won’t be able to go out.
A.even if | B.if so | C.what if | D.if not |
33.
—Shall we go out for a meal tonight?
—__________. We haven’t been out for ages.
—__________. We haven’t been out for ages.
A.No bother | B.That’s all right | C.Not really | D.I’d love to |
试卷分析
-
【1】题量占比
选择题:(14道)
单项选择:(20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:19
7星难题:0
8星难题:1
9星难题:0