【名词&注释】
指导方针(guiding principle)、非公有制经济发展(non-public economic development)
[判断题]车床主轴的径向跳动不会影响车削轴类零件的圆度误差。
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举一反三：
[多选题]根据我国现行宪法的规定，国家对非公有制经济发展的指导方针是（）。
A. 鼓励
B. 支持
C. 引导
D. 指导
[单选题]By saying “Middle children are invisible” in paragraph 3, Lewis means that middle children 。
A. have to help their parents to serve dinner
B. get the least attention from the family
C. are often kept away from the dinner table
D. find it hard to keep up with other children
[单选题]What is the most appropriate title for the passage?
A. Dangers of Earthquakes.
B. Earthquake Belts and Prediction.
C. Earthquake Prediction and Control.
D. Earthquake Engineering in California.
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