对于现代企业而言,伦理道德建设的重要原则表现为()。
A.集体主义原则
B.诚实原则
C.公正原则
D.按劳分配原则
参考答案:A, B, C
Liu Ying lives with her grandparents in the countryside because _____ of her parents work in the city. [ ]
A. both
B. either
C. neither
牙釉质牙骨质界正确的是()
A.牙釉质和牙骨质端端相接占10%
B.牙釉质覆盖牙骨质少许占30%
C.牙釉质覆盖牙骨质少许占60%
D.牙骨质覆盖牙釉质少许占60%
E.牙釉质和牙骨质分离占30%