消化器由口腔、咽、食管、胃、小肠和大肠组成。()
参考答案:错
After five years of preparation, Shanghai presented the world____many said was the greatest Special Olympics.
A.when
B.what
C.where
D.Which
在Excel,根据工作表的实际内容由系统自动插入的分页符在“分页预览”视图下不能被移动。