题目内容

Viral infection can also be used to take up the DNA by the cells. ____________

A.True
B.False

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When prices of products and services are pulled up because of strong consumer demand, occurs.

A. demand-pushinflation
B. demand-pull inflation
C. price-pull inflation

When firms charge higher prices due to higher costs, occurs.

A. price-pull inflation
B. cost-push inflation
C. cost-pull inflation

Which ones of the following firms are more exposed to the cost of oil?

A. FedEx
B. travel agencies
C. a doctor’s office

Inflation can affect a firm’s .

A. revenue
B. operating expenses
C. wages