The mountain I visited last Sunday isn't very ___________. Few ___________ go sightseeing there.
A:tourist, tourists
B:touristy, tourist
C:touristy; tourists
D:tourist; tourist
当滑动变阻器R1的滑片P向右移动时,变大的是____;变小的是____.(均选填相关数据的序号)
①是对客观对象的提炼、概括和升华 ②来源于艺术家瞬间的灵感和创造性思维
③实现了具体和抽象的高度统一 ④突破了认识客体对主体的制约
看图填空。