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【单选题】
“工人阶级的再生产，同时也包括技能的时代传授和积累”这一科学论断概括说明了（）A.
教育是劳动力再生产的重要手段
B.
教育可以改变人的劳动能力的性质和形态
C.
教育可以促进科学文化发展
D.
教育具有生产和再生产科学的社会功能
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反馈参考答案：
举一反三
【判断题】America or Germany belongs to the high-context culture, while China or Japan belongs to low-context culture.
A.
正确
B.
错误
【单选题】初始观察到的影动是顺动,加了+4.00D以后,水平方向上的影动中和了,竖直方向上仍然是顺动,拿掉+4.00D的镜片后,加到+5.00D时竖直方向影动中和了,请问该患者检影验光结果是多少?
A.
+4.00/+5.00×90
B.
+4.00/+5.00×180
C.
+4.00/+1.00×90
D.
+2.50/+1.00×90
E.
+2.50/+5.00×90
F.
+2.50/+1.00×180
【单选题】China belongs to the _________ culture.
A.
Low-context culture
B.
High-context culture
【简答题】When the sun's rays hit the earth , a lot of heat is _____ (反射)back into space.
【单选题】Which of the following belongs to the ancient greeting way in China?
A.
Bowing to others.
B.
Doing fist and palm salute.
C.
Kissing cheeks.
D.
Kissing forehead.
【单选题】Which statement was NOT mentioned about viewing an eclipse?
A.
Sunglasses block out only a limited amount of the sun's ultraviolet rays that can damage the eye.
B.
Sunglasses can only filter harmful rays during total solar eclipses at their greatest magnitude.
C.
Sunglasses tend to cause the center of the eye to enlarge allowing in more intense light.
D.
Sunglasses should be used when any part of the sun is visible.
【简答题】Damage to Ozone Layer Gets Worse In the middle of winter, when snow is falling in many parts of the United States, scientists have sounded a warning to people who plan to spend many hours in the sun t...
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