According to Mednicks research, drug use
A. is a controled factor.
B. influences friendship.
C. goes with poor sleep.
D. was caused by sleep.
查看答案
Jeff Dowd would most probably agree that
A. daylight saving has negative effects on energy saving.
B. the four-week extension of daylight time saves much electricity.
C. focusing on the effect of daylight saving on one state is enough.
D. a comprehensive study of daylight time nationwide is unnecessary.
In the authors opinion, recession is
A. only the tip of an iceberg of the cause of suicide.
B. the cause of some serious longer-term problems.
C. greatly impacted by global economic changes.
D. the evident cause of increased working unhappiness.
High-quality interactions between customers and frontline employees
A. can settle the problems at the first shot.
B. call for a radical change within the company.
C. should be one of managers" consistent pursuits.
D. are too expensive for a company to implement.
The study published in Psychological Science showed that
A. subsidies would promote healthier food purchases.
B. compared with subsidies, taxes seemed to operate more effectively.
C. both taxes and subsidies would greatly affect people"s food choice.
D. taxes will help shoppers to stock up on more fruits and vegetables.
微信支付 
支付宝支付