[单项选择]A. Burning them completely.
B. Keeping them where they are.
C. Changing them into fertilizer.
D. Using them to cover lawns.

[单项选择]A. Burning them completely.
B. Keeping them where they are.
C. Changing them into fertilizer.
D. Using them to cover lawns.

[单项选择]A. Because burning them may cause fire accidents.
B. Because burning them may cause air pollution.
C. Because burning them may cause people out of breath.
D. Because burning them may cause water pollution.

[单项选择]Please put Mary’s things back where you found them ______ she won’t know where they are.
[A] and [B] or [C] but [D] then

[单项选择]Where did you find your keys I left them in （）
A. the barber
B. the barbers’
C. the barber’s
D. the shop of the barber’s

[填空题]keeping in hands

[单项选择]

Finding and keeping loyal and profitable customers is essential. The route to long- term success is to find loyal customers who represent a close strategic fit with the company and are also likely to be profitable. Rather than trying to meet the needs of a larger group of people, managers work to attract and keep the right customers. Loyalty-based strategies yield spectacular results for some companies.
MBNA, a credit card company, targets specific affinity groups whose members have above-average earning: sports clubs, universities and associations. The company produced Visas and Mastercards for 4,300 such groups, usually with personal logos. MBNA’s strategy is hitting the bull’s eye; the average balance held by its cardholders is three times the national average.
Technology is creating unprecedented opportunities to build a loyal consumer base by customising products. Levi-Strau
A. Right        
B. Wrong        
C. Doesn’t say

[单项选择]
Burning the midnight oil before an exam or interview does harm to the performance according to a recent research which found that sleep is necessary for memories to be taken back into the brain. A．good night’s sleep within 30 hours of trying to remember a new task is a required condition of having good recall in the weeks ahead, scientists have found.
The research, published in the December issue of Nature Neuroscience, showed that it was the act of sleep, rather than the simple passage of time, that was critical for long- term memory formation.
"We think that getting that first night’s sleep starts the process of memory consolidation (巩固)," said Robert Stickgold, a sleep researcher at Harvard Medical School who conducted the latest study.
"It seems that memories normally wash out of the brain unless some process nails them down. My suspicion is that sleep is one of those things that does the na
A. intelligence.
B. time.
C. food.
D. sleep.