What do humans and songbirds share according to Kroodsma's research?
A. The change of accents and dislects along the way.
B. The change of habits along the way.
C. The change of appearance along the way.
D. The change of numbers along the way.
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Which of the following suggestions are not implied in the passage?
A. Develop internet streetsmarts.
Be skeptical of anyone online who asks to divulge confidential information.
C. Higher levels of security protection.
Do not use instant messaging and phone calls online.
Who is Donald Kroodsma?
A. The author of the book called The Singing Life of Birds.
B. The scientist of a program called The Singing Life of Birds.
C. The author of the magazine called The Singing Life of Birds.
D. The professor of a University studying The Singing Life of Birds.
The contact group is a group of nations that concern the future status of Kosovo.
A. 正确
B. 错误
听力原文:A recent report finds that the number of working hours in Asia has started to decline. But the economists say that what is needed is not only a reduction in working time, but also more flexibility in working hours. Both businesses and workers would profit if working hours can be adjusted according to demand, allowing workers to better control their days. And, as many economies in the region see a growth in service industries, such as hotels and restaurants, which need flexible work schedules, more flexibility could help boost growth.
What do economists think of working hours in Asia?
A. They don't think that the working hours need reducing.
B. They think that a flexible working schedule is also desirable.
C. They think that working hours have declined satisfactorily.
D. They believe the flexible working hours benefit workers only.