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【单选题】
铣床一级保养部位包括外保养、( )、冷却、润滑、附件、电器等。A.
机械
B.
传动
C.
工作台
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皮皮学刷刷变学霸
举一反三
【简答题】作为农耕经济的补充，中国古代的工商业高度发达。随着天朝上国迷梦的，中国工业化的征程艰难起步，曲折发展。阅读以下材料，回答问题。
材料一官方以法令来保护手工业技术的世代传习。有时，为了技术的世代传习，官府还要干涉到某些手工业者家属的婚姻，使民间技术的传习成为顽固的传统。从元稹《织女词》：“东家头白双女儿，为解挑纹嫁不得。”可见一斑。一直到不久以前，各地还有所谓“祖传秘方”的存在。
——白寿彝...
【单选题】One of the prominent factors that has made GIs presence in South Korea particularly tougher because ______ .
A.
a few bad apples have dented the reputation of the American servicemen in South Korea
B.
many Koreans have biased views against American servicemen
C.
some foreign countries had their soldiers present in South Korea in the past
D.
South Korea no longer needs U. S. economic aid
【单选题】One of the prominent characteristics of a law is______ .
A.
the result on the individual' s behavior. on which a restraining influence is being exercised
B.
the result of a behavior. on the members of the governmental agency
C.
the result of a behavior. on ordinary citizens
D.
both A and B
【简答题】America had no prominent_____of its own. No one knows exactly when was invented or by whom A.music B.songs C.melodies D.tunes
【单选题】One of the prominent factors that has made CIs presence in South Korea particularly tougher because ______.
A.
a few bad apples have dented the reputation of the American servicemen in South Korea
B.
many Koreans have biased views against American servicemen
C.
some foreign countries had their soldiers present in South Korea in the past
D.
South Korea no longer needs U.S. economic aid
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