By “drive customers up the wall,” the author means that the appliance manufacturers plan to make the customers _____.
A. excited
B. frightened
C. satisfied
D. angry
查看答案
In writing the text, the author tries to _____.
A. urge people to say no to smart appliances
B. compare the advantages and disadvantages (缺点) of smart appliances
C. suggest some more useful features to the manufactures
D. urge the manufacturers to produce better smart appliances
She completely lost her voice and had to give _____ teaching.
A. to
B. up
C. on
D. down
Even the mechanic couldn’t figure ______ what had gone wrong with the car.
A. away
B. off
C. on
D. out
This course will be taught through the computers connected ____ the Internet.
A. for
B. to
C. in
D. with
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