一块三角形的棉田，底长140m，高80m，如果每株占地0.4m2，这块棉田能种多少株棉花？
140×80÷2÷0.4=14000（株）
如今，重庆拥有出版社有（）。
A.重庆出版社
B.重庆大学出版社
C.西南师范大学出版社
D.青年出版社
A．No alcohol is allowed in the hospital.
B．No smoking is allowed in the hospital.
C．The patient should wake up at 6:30 in the morning.
D．Only two people are allowed to visit the patient at one time.
