A:seated; play
B:seats; play
C:seated; playing
D:seats; playing
①y与x负相关且 y^ =2.347x-6.423;②y与x负相关且 y^ =-3.476x+5.648;
③y与x正相关且 y^ =5.437x+8.493;④y与x正相关且 y^ =-4.326x-4.578.
其中一定不正确的结论的序号是( )
—Who can tell us how to work out the problem?
—_______. It's too difficult.
台湾岛是祖国的宝岛。西隔台湾海峡与福建省相望,自大陆赴台旅游开通后,游客日益增多。右图为台湾岛轮廓图。读图完成下题。
下列选项符合台湾岛内地理概况的是( )