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【判断题】
机械化、半自动化、自动化驼峰调车场应采用道岔自动集中;简易、非机械化驼峰调车场,根据需要可采用道岔自动集中。A.
正确
B.
错误
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举一反三
【单选题】The mayor is a woman with great and therefore deserves our political and financial support.
A.
intention
B.
instinct
C.
integrity
D.
intensity
【单选题】Our society's confidence in its institutions of higher education is expressed through investments that wisely couple support for research with support for graduate education.
A.
Our society attaches greater importance to research than to graduate education.
B.
A large proportion of the antional budget goes to the development of education.
C.
Our investments in education combine support for research with support for graduage education.
D.
Our society's lack of confidence is its institutions of hegher education derives from generous investments made in education.
【简答题】Keen observation of the speaker can support our listening skills.
【简答题】有两个电容器,电容分别为10μF和20μF,它们的额定工作电压分别为25V和15V。现将它们并联后接在10V的直流电源上,则它们储存的电荷量分别是____和____;此时等效电容是____μF;并联电路允许加的最大工作电压是____。(用小数表示)
【单选题】In the sentence 'His ambition to become an astronaut deserves our support', the italicized part is used as
A.
an attributive
B.
an appositive
C.
a complement
D.
an adverbial
【简答题】将上题中的两个电容器串联后接在30V的直流电源上,则它们储存的电荷量分别是____和____;(用小数表示)此时等效电容是____μF(用分数表示);该串联电路允许加的最大工作电压是____。(用小数表示)
【简答题】Our society’s confidence in its institutions of higher education is expressed through investments that wisely couple support for research with support for graduate education.A. Our society attaches gr...
【单选题】They sent us an open letter, ______ to win our support.
A.
hoped
B.
hoping
C.
hope
D.
to hope
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