赛季开始前，有些人觉得凯尔特人可能会卫冕失败，但没人想到这失败会这么严重。现在，这支球队可能要在休赛期拆队了。之前青春洋溢的绿衫军，现在要面对大变动。根据NBA记者Kevin ...

The findings suggest raids can harm student achievement and disrupt how schools function, even when they do not occur on or near school grounds. The study, by Thomas S. Dee, a professor of education ...

NICE, France, 13 June (Xinhua) -- The 3rd United Nations Ocean Conference (UNOC3) concluded Friday in Nice, a coastal city in southern France, with the adoption of an intergovernmentally agreed ...