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【单选题】
考试中的选择题、判断题,主要依赖于我们记忆过程中的( )。A.
保持
B.
遗忘
C.
再认
D.
回忆
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】The volume of the water flow and the change in _____ from one point to another determine the amount of available energy in moving water.
A.
water speed
B.
elevation
C.
fall
D.
water flow
【单选题】At a certain point in space the electric potential is 20 V. A 4.0-μC charge is brought from infinity to that point. What is the electric potential energy of this charge at that point?
A.
- 80 μJ
B.
80 μJ
C.
- 20 μJ
D.
20 μJ
【单选题】_________, or energy carrier, is an energy form which has been transformed from primary energy sources. Electricity is one of the most common energy carriers, being transformed from various primary en...
A.
By-product
B.
Secondary energy
C.
Transformative energy
D.
Renewable energy
【单选题】次数分配数列是
A.
按数量标志分组形成的数列
B.
按品质标志分组形成的数列
C.
按统计指标分组所形成的数列
D.
按数量标志和品质标志分组所形成的数列
E.
以上都不对
【简答题】这是期中考试PPT课件提交的地方
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