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【单选题】
在机械式和液压式调速器中,其转速感应元件的工作原理是基于A.
力平衡原理
B.
矩平衡原理
C.
能量平衡原理
D.
动量平衡原理
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【单选题】A measurement scale with five response categories ranging from "strongly disagree" to "strongly agree," which requires the respondents to indicate a degree of agreement or disagreement with each of a ...
A.
Likert scale
B.
semantic differential
C.
Stapel scale
D.
opinion rating scale
E.
penta scales
【简答题】While watching television, __________. A ． the doorbell rang B ． the doorbell rings C ． we heard the doorbell ring D ． we heard the doorbell rings
【单选题】There were a lot of people standing at the doo
A.
18. There were a lot of people standing at the door and the small girl couldn’t get _______. (全国3) A. between
B.
through
C.
across
D.
beyond
【简答题】Match the words or phrases on the top with their meanings on the bottom. deserve 2. entire 3. survey 4. gain 5. particular6. urge 7. comment 8. implement 9. establish 10. in place A.to have an increas...
【简答题】阅读理解。 One day, a poor boy who was trying to pay his way through school by sending newspapers door to door, was so hungry that he decided to beg for a meal at the next house. However, he lost his nerve...
【单选题】He made sure______ the doo was locked before leaving.
A.
who
B.
where
C.
what
D.
that
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