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Now listen to the following recording and answer questions 16 to 19.
16
A.It enables both parties to get a net gain.
B.It can improve the world economy.
C.It can elevate economic exchange between nations.
D.It enables people to trade freely and fairly.
17
A.To increase its national revenues.
B.To meet its own people's needs.
C.To limit other nations' economic development.
D.To protect its own industries.
18
A.It completely gets rid of protectionism.
B.It offers more well-paid jobs.
C.It lowers the costs of goods and services.
D.It raises the prices of many products.
19
A.It improves the selling of local products.
B.It helps maintain the number of goods.
C.It limits the export and import.
D.It protects business, jobs and wages.
