Precious metals such as gold and silver have been used as money.这句话的中文意思是（）

单项选择题According to the writer，accounting is（）.

A. a language of business
B. your sales figures, your costs, and your profits
C. Both A and B

单项选择题Accounting is very important in your business because it shows（）.

A. how much money you’ve earned or lost
B. pages full of tables and numbers
C. strange dollar amounts or boring numbers

单项选择题Accounting has greatly changed with the development of（）.

A. crops and herds
B. joint stock companies
C. internet companies

单项选择题People in the old days relied on old accounting methods to record.（）

A. how much money they had
B. management of their business
C. the growth of crops and herds

单项选择题Accounting could date back to about（）years ago.

A.7,000
B.6,000
C.5,000