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【单选题】
工作期间，工作票应始终保留在()手中。A.
工作票签发人
B.
工作负责人
C.
工作许可人
D.
专责监护人
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举一反三
【简答题】The construction of the two new railway lines _______by now. A. has been completed B. have been completed C. has completed D. have completed
【判断题】If two projections of two lines are parallel, then the two lines are parallel in space
A.
正确
B.
错误
【单选题】The （）(系泊缆绳)consist of a head line ,two breast lines, two spring lines and a stern line.
A.
moor lines
B.
mooring lines
C.
unmoor lines
D.
unmooring lines
【单选题】What is the metrical design in the first two lines that reinforces the harmonious relationship between subject (“I”) and object (natural elements), humanity and nature?
A.
Two perfect anapestic octameter lines.
B.
Two perfect trochaic hexameter lines.
C.
Two perfect iambic tetrameter lines.
D.
Two perfect iambic pentameter lines.
【单选题】What is the figure of speech used by John Donne in such lines as “If they be two, they are two so/As stiff twin compasses are two”?
A.
Contrast.
B.
Personification.
C.
Conceit.
D.
Metaphor.
【单选题】Which statement about two lines spliced together is TRUE ________．
A.
Splicing is used to increase the circumference of each line
B.
Splicing two lines together is stronger than knotting two lines together
C.
Splicing is used to increase the overall strength of the line
D.
Splicing is used to prevent rotting of the lines bitter end
【单选题】Those two final lines were probably more ridiculed than any other lines in The Lyrical Ballads
A.
more liked than the rest of the lines
B.
more rudimentary than any other lines
C.
most disliked than any other poems
D.
most mocked of all the lines
【简答题】一个半球体状的雪堆，其体积融化的速率与半球面面积S成正比，比例系数K＞0．假设在融化过程中雪堆始终保持半球体状，已知半径为r0的雪堆在开始融化的3小时内，融化了其体积的 ，问雪堆全部融化需要多少小时?
【简答题】一个半球体的雪堆 , 其体积 融化的速率与半球面面积 成正比 , 比例常数 , 假 设在融化过程中雪堆始终保持半球体状 , 已知半径为 的雪堆在开始融化的 内 , 融化 了其体积的 , 问雪堆全部融化需多少小时 .
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