腺淋巴瘤主要发生在()
A.腮腺
B.下颌下腺
C.舌下腺
D.唇腺
E.腭腺
参考答案:A
Mr.Smith used to ____ his car to work,but now he is used to ________.
A.drive;walk
B.driving;walking
C.driving;walk
D.drive;walking
园林工程主要研究施工技术和施工管理。