题目内容

列宁提出社会主义可能在一国或数国首先胜利的理论依据是()

A. 资本主义必须灭亡
B. 帝国主义时代资本主义政治经济发展不平衡的规律
C. 资本主义国家无产阶级与资产阶级的规律
D. 生产关系必须适应生产力发展要求的规律

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社会主义发展史上的第一次历史性飞跃是指()

A. 19世纪中叶,社会主义从空想发展到科学
B. 20世纪初,社会主义从理论发展到建立社会主义制度的实践
C. 社会主义从一国实践发展到多国实践
D. 20世纪70年代末开始的社会主义改革

下列反应中,ΔrSm⊙最大的是

A. C(s)+O2(g)=CO2(g)
B. 2SO2(g)+O2(g)=2SO3(g)
C. 2NH3(g)= 3H2(g)+N2(g)
D. CuSO4(s)+5H2O(l)=CuSO4·5H2O(s)

在某温度下,反应1/2N2(g) + 3/2H2(g)→NH3(g)的平衡常数K=a。上述反应如果改写为2NH3(g) →N2(g) + 3H2(g),则在相同温度下反应的平衡常数为

A. a
B. 1/a
C. a2
D. 1/a2
E. a/2

There are ten sentences in this section. Beneath each sentence there are four words or phrases marked A, B, C and D. Choose one word or phrase that best completes the sentences.1. I have found that the community has _____ great changes since I was here last.A. submitted B. undergone C. sustained D. experimented2. In running this business, I need to ______ ask myself whether what I’m doing is aligned with my goals.A. invariably B. usually C. endlessly D. constantly3. He was the sort of good listener who seemed to find everybody else more interesting and______than himself.A. impossible B. impressive C. unlikely D. unimaginable4. It is much better to concentrate on a few subjects which interest you than try to _____ your mind with knowledge.A. fill B. full C. meet D. fulfill5. Rather than being hoodwinked, I would ______ anything.A. indulge B. diverge C. endure D. instruct6. A fortunate encounter brought the two friends together after a long _______.A. distinction B. difference C. separation D. discrimination7. Most of us thought that you ______ to those questions in an interesting and unusual way.A. reacted B. impacted C. worked D. acted8. I have often seen him ______ upon the moon and stars for hours. Why do you think he is doing that?A. look B. glance C. stare D. gaze9. We ________ a parent to care for us, to forgive us our errors, and to save us from our childish mistakes.A. search for B. long for C. for long D. look after10. His occasional courtesies did not _______ his general rudeness.A. compensate for B. pay back C. keep up D. change into

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