15.
A. By seeking help from the card reader maker Verifone.
By covering the credit card with a layer of plastic.
C. By calling the credit card company for confirmation.
D. By typing the credit card number into the cash register.
16.
A. Produce many low-tech fixes for high-tech failures.
B. Give birth to many new technological inventions.
Change the lifestyle of many Americans.
D. Affect the sales of high-tech appliances.
17.
A. The economy was doing great because the American government offered aid to them.
B. The economy was very bad.
C. The economy situation was very tricky.
D. The speaker did not mention it.
Passage TwoQuestions 18 to 20 are based on the passage you have just heard.18.
A. They vary among different departments.
B. They leave much room for improvement.
C. They are determined by the advising board.
D. They are set by the dean of the graduate school.
19.
A. By consulting the examining committee.
By reading the Bulletin of Information.
C. By visiting the university’s website.
D. By contacting the departmental office.
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