确定常数a和b的值,使
参考答案:[解] [*] 由此可得[*] 于是,利用等价无穷小代换即得 [*] 进而,由洛必达法则又有 [*]
解析:
[*]
The wind blew into the room the broken window.[ ]
A. come from
B. came from
C. come to
D. through
机体安静时,主要的产热器官是
A.脑B.胃、肠C.肝脏D.肾脏E.骨骼肌