The word “currency” (Para. 1) most probably means __________. A. plastic ca...

李老师

The word “currency” (Para. 1) most probably means __________.
A. plastic cards   B. money   C. coins    D. goods
2. According to the passage, we all need _______.
A. coins               B. some kind of money   
C. credit cards          D. currency
3. Our thumbprints may be used in the future because ________.
A. every thumbprint is difficult to lose or make   
B. each store will have a compu