知觉的情境因素有()。
A.适应
B.对比
C.敏感化
D.感受性提高
参考答案:A, B
下列对进口设备原价的阐述,正确的是( )。
A.进口设备的原价是进口设备的出厂价
B.进口设备原价的构成与进口设备的交货类别无关
C.进口设备原价即CIF
D.CIF包括FOB国际运费、运输保险费,它作为关税完税价格
The number of the people present at the concert was _____ than expected. There were many tickets left.
A.much smaller
B.much more
C.much larger
D.many more