圆锥的体积比圆柱的体积小.______.
因为圆柱和圆锥是在“等底等高”的条件下,圆锥的体积是圆柱体积的13,而题干没有说到圆柱、圆锥的高和底,
所以无法比较大小,
故答案为:×.
– Having many helpers makes a task easier and faster to complete.
– I think so. .
A.Many hands make light work
B.Actions speak louder than words
C.The early bird catches the worm
D.Practice makes perfect
影响确定治疗甲状腺功能亢进131I用量的主要因素()
A.心率
B.甲状腺吸131I率
C.TSH水平
D.甲状腺质量
E.131I在甲状腺的有效半衰期