人类在认识世界的漫长进程中,总是交替采用()和()的研究策略,两者相辅相成,促进了科学文化的发展。
参考答案:分析归纳;综合演绎
Her son _________ Coke, but now he ________ milk.
A.used to drink; is used to drinking
B.used to drinking; drinks
C.is used to drinking; used to drink
D.is used to drink; is drinking
进行前伸平衡调整时,上、下前牙切缘无接触,双侧后牙有接触,则应()
A.减小补偿曲线曲度,或加大前牙覆
B.加大补偿曲线曲度,或加大前牙覆
C.减小补偿曲线曲度,或减小前牙覆
D.加大补偿曲线曲度,或减小前牙覆
E.以上都不对