(
B
) 1. Long long ago or at first, people always ____.
A. put their money in a bank
B. swapped things with each other
C. used money to do shopping
D. made coloured notes as money
(
C
) 2. Which of the following came out last?
A. Metal coins.
B. Paper notes.
C. E-money.
D. Shells and salt as "money".
(
A
) 3. What's the use of a bank?
A. It keeps people's money safe.
B. It makes paper notes.
C. It helps people buy things.
D. It sells plastic cards.
(
D
) 4. What can we know from the passage?
A. People don't use paper money now.
B. It is easy to go around with a lot of notes.
C. Phones are getting cheaper.
D. People can use their phones to pay today.
