Tina didn't come to school yesterday because she _________ a bad cold.
A:made
B:wanted
C:had
D:took
我国疆域辽阔,下列关于我国领土四端的说法正确的是( )
在我国的动植物中,将临朐山蝎和蜘蛛分成一类,将虹鳟鱼和乌鳢分成另一类,这样划分的分类等级单位是( )