题目内容

Barter usually takes the place of money transaction where______.

A. there is only salt
B. metal tools are used
C. the people's trading needs are fairly simple
D. money is unheard of

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In the middle of the second paragraph the word "intentionally" means______.

A. purposely
B. dangerously
C. carefully
D. carelessly

A．dealB．numberC．mountD．amount

A. deal
B. number
C. mount
D. amount

Galileo studied medicine in the university at Pisa.

A. True
B. False

A．combinationsB．connectionsC．co-ordinationsD．collections

A. combinations
B. connections
C. co-ordinations
D. collections