若洗手间和厨房风扇故障,下列说法错误的是()
A.客舱区域处于固定的温度
B.驾驶舱的温度调节正常
C.客舱区域的温度调节正常
D.客舱区域进气管道的温度是恒定的15℃
参考答案:C
Every time he had a chance,he would talk about the great difficulty he had _____ in the new country.
A.settled
B.settling
C.to settle
D.settle
不属于真性牙源性肿瘤的为
A.牙源性纤维瘤
B.牙瘤
C.牙源性钙化上皮瘤
D.成釉细胞瘤
E.成釉细胞纤维瘤