举一反三
- (5)Crying can help people maintain health under certain conditions. A: 正确 B: 错误
- The conditions under which a physical problem can be uniquely determined are called single-valued conditions, which include: A: Initial conditions. B: Boundary conditions. C: Geometric conditions. D: Physical conditions.
- Under certain conditions of stress, some people ________ qualities they had never known they possessed.
- 青书学堂: (4). What can people do to maintain or improve their health? ( )
- According to the text,regular riding practices can help people maintain a healthy body weight.
内容
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It can also help with mental health issues. Besides, exercise can give people a real sense of
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Personalities are formed and developed through social practices under certain social and historical conditions.
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中国大学MOOC: Both historical knowledge and contemporary events can help people shape their perspectives.
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There are two kinds of phenomena in the objective world。 The first is the phenomenon that will happen under certain conditions， which is called inevitable phenomenon。 The second kind is the phenomenon that may or may not happen under certain conditions， which is called random phenomenon。 （ ）
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(4)、 [单选题] (2分) A: sound scientific theory should be one that _________.A、works not only under one set of conditions at one time, but also under the same conditions at other times. B: does not allow any changes even under different conditions. C: can be used for many purposes. D: leave no room for improvement.