在计算机空调用制冷系统负荷时，对于三台机组的设备事故修正系数的取值为（）。
A.1.00
B.1.12
C.1.30
D.1.40
参考答案：B
---Which sport do you like better, swimming or playing basketball?
---I prefer ______ to _______. I don’t like water sports.
A. swimming, playing basketball
B. swim, play basketball
C. playing basketball, swimming
缺失，余留牙正常。可摘局部义齿基牙应选择（）。
A.A
B.B
C.C
D.D
E.E
缺失，余留牙正常。可摘局部义齿基牙应选择（）。