同一感受器接受不同的刺激而使感受性发生变化的现象是
A.感受性
B.感受性的补偿
C.联觉
D.感觉适应
E.感觉对比
参考答案:E
Did you find the story___________?[ ]
A.interesting
B. being interested
C. to be interested
D. is interesting
为什么铸件重要的加工面应朝下?