The price of commodities()on many factors like quality, demand, supply, etc.
A、 is basing
B、 has based
C、 is based
第1题:
Our clothes are low ____ price, high ____ quality.
A、at ... on
B、on ... at
C、to ... in
D、in ... in
第2题:
A. many - to - one
B. one - to - one
C. one - to - many
D. many - to - many
第3题:
According to Skinner, language behavior can only be studied through observation of the()factors.
external
略
第4题:
[A] necessities
[B] facilities
[C] commodities
[D] properties
第5题: