A:加压
B:使用催化剂
C:减小C的浓度
D:降温
如图,△ABC≌△ADE,∠DAC=60°,∠BAE=100°,BC、DE相交于点F,则∠DFB的度数是( )
The hospital has recently obtained new medical equipment, _____ more patients to be treated.
东南亚主要的气候类型是
小明每分钟打字108个,大约是____个。