文件学的特征主要体现在（）。
A.应用性
B.综合性
C.科学性
D.政治性
E.分支性
参考答案：A, B, C, D
—Did you get up early this morning?
—No, I didn't, but my brother ______. He gets up early every day. [ ]
A. does
B. is
C. did
D. was
下颌舌骨嵴前方，口底上升时的最高点
A．嵌体B．半冠C．烤瓷熔附金属全冠D．桩冠E．3/4冠
