試題詳解

31. What is the main purpose of the passage?
(A) To introduce how e-commerce might decrease the demand for skilled jobs.
(B) To explain some impacts e-commerce has had on people.
(C) To compare and contrast e-commerce and traditional business.
(D) To warn people to take proper precautions when shopping online.
(E) To illustrate what measures consumers should take to protect their rights.