根据统计图的特点可知,
要反映各年级人数与学校总人数之间的关系,选用扇形统计图合适.
故选:C.
Tom has _____ in the English contest _____ all the students he works the hardest. [ ]
A. come out the first; because
B. come up first; because of
C. come out first; because of
D. come up the first; because
哮病的病变脏腑是
A.病位在肺,与脾、肾密切相关
B.病位在肺,与脾、肾、肝密切相关
C.病位在肺,与脾、肾、肝、心密切相关
D.病位在气道,与肺、脾、肾密切相关
E.病位在气道,与肺、脾、肾、肝密切相关