涎腺肿瘤的B超检查应当观察肿瘤形态、边界回声、内部回声和（）
A.肿瘤大小
B.肿瘤部位
C.肿瘤和血管的关系
D.后方回声
参考答案：D
_____ the government's call to develop the west, many college graduates volunteer to work in western part
of China. [ ]
A. Responding to
B. Accustomed to
C. Addicted to
D. Adapting to
室内设计的含义
