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【单选题】Businesses put lots of time and money into new plans, programs and excellent employees with the hope things will change．Yet, at the end of the effort, not much changes．What happens? In most cases, tho...
A.
What past experience is useful for businesses?
B.
How much time is needed for making plans?
C.
How can changes be made in businesses?
D.
What kinds of employees are the best?
【单选题】我国冰雪艺术活动主要集中在两江流域，两江流域是指____________。China's ice and snow art activities are mainly concentrated in the Liangjiang River Basin, which refers to _____.
A.
黑龙江和松花江Heilongjiang and Songhua River
B.
黑龙江和嫩江Heilongjiang and Nenjiang River
C.
黑龙江和乌苏里江Heilongjiang and Wusuli River
D.
松花江和辽河Songhua River and Liaohe River