单项选择题

When trade credit is offered in the form. of ___, it is based on mutual trust.

A.open
B.promissory
C.trade
D.bank

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单项选择题

___ means a person's natural potential for a certain kind of work.

A.Aptitude
B.Interest
C.Personality
D.Attitude

幼儿想象的内容依赖于视觉形象。()

答案：正确