腮腺良性肥大的改变属于
A.非炎症性
B.炎症性
C.病毒性感染
D.特异性感染
E.家族性
参考答案:A
-What about _________ to practice pronunciation?
-Well, that's good. It helps me a lot. [ ]
A. read loudly
B. reading aloud
C. read loud
D. reading loud
每侧机翼油箱组的内侧油箱、外侧油箱和供油油箱中分别有几个引射泵
A、3,3,3
B、2,3,3
C、3,3,2
D、3,2,3