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【单选题】
What is the thesis of the text?A.
We should put off what we can do today till tomorrow.
B.
what you don’t necessarily have to do today, by all means put off until tomorrow.
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反馈参考答案：
举一反三
【简答题】已知液压缸的活塞有效面积为 A,运动速度为v,有效负载为F L ,供给液压缸的流量为 q,压力为p。液压缸的总泄漏量为Δq,总摩檫阻力为F f 。试根据液压马达的容积效率和机械效率的定义,分析液压缸的容积效率和机械效率。
【单选题】2 According to the survey, what jobs are available to those dropouts?
A.
Jobs that are very dangerous.
B.
Jobs that are low-paying and boring.
C.
Jobs that have little chance of success.
D.
Jobs that require long working hours.
【简答题】Although most young people in their late s live with their parents and are still in school, many are working and learning about the responsibilities and rewards of paid employment. Most employed t...
【单选题】2 According to the survey, what jobs are available to those dropouts? A. Jobs that are very dangerous. B. Jobs that are low-paying and boring. C. Jobs that have little chance of success. D. Jobs that ...
A.
B.
C.
D.
D
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