呼吸的实质是 [ ]
A.氧化分解体内的有机物,释放能量
B.合成有机物,贮存能量
C.吸人氧,呼出二氧化碳
D.带走体内多余的热量
答案:D
She was well dressed that she attracted everyone's attention at the party.[ ]
A. so
B. quite
C. too
D. very
患者,缺失,上颌前突,可摘局部义齿修复,排牙时,下列哪项是正确的()
A.可将人工牙排向腭侧一些
B.可将人工牙排向唇侧一些
C.可将人工牙排在牙槽嵴顶
D.将人工牙排列成对刃
E.将人工牙排列成反