With the fragmentation of consumer and business markets （）．
A. an increasing number of companies have disintegrated
B. manufacturers must focus on one special product to remain competitive in the market
C. it is physically impossible and prohibitively expensive to do business in the old way
D. businesses have to meet individual customers’ specific needs in order to succeed
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What does the author really of the idea of having children？
A. It does more harm than good．
B. It contributes to overpopulation．
C. It is troublesome but rewarding．
D. It is a psychological catastrophe
A. on B. up C. in D. down
All of the following are mentioned as tricks which dishonest second-hand car dealers may play upon their customers EXCEPT___.
A. To re-paint the car.
B. To roll back the odometer.
C. To replace the old pedal.
D. To disengage the odometer.
________ before we depart the day after tomorrow, we should have a wonderful dinner
A. Had they arrived
B. Would they arrive
C. Were they arriving
D. Were they to arrive
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