腮腺最常见的良性肿瘤是()。
A.血管瘤
B.混合瘤
C.淋巴瘤
D.脂肪瘤
E.纤维瘤
参考答案:B
he has little knowledge, the old worker has a lot of experience. [ ]
A. Although.
B. Because.
C. If
账簿中书写的文字和数字应紧靠底线书写,上面要留有适当空格,不要写满格,一般应占格距的( )。
A.1/3
B.1/2
C.1/4
D.1/5