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Be careful wheyou ______ that vase; it will break very easily.()
· operate
· deal
· cope
· handle
Some of these stars have planets orbiting them, and ______ many billions of these planets could support life.()
· as far as it concerns
· there are possibly
· chances are that
· it is sure to say that
I’d rather you _____ make any comment othis issue for the time being.()
· don’t
· wouldn’t
· didn’t
· shouldn’t
Music and old photos ofte______ us of events ithe past.()
· remind
· memorize
· remember
· recall
He ____ his success to hard work and a little bit of good luck.()
· contributed
· distributed
· attributed
· devoted
从何年纪开始髁突表面和关节盘中的血管消失:
·18岁以后
·终生存在
·8～10岁
·1～2岁
·3～5岁
以理想正常牙合为标准,错牙合畸形的患病率是
·20.33%
·40.92%
·60%
·86.81%
·0.912
理想正常牙合是
·对于生理功能无大妨碍者,都可列入理想正常牙合
·个别正常牙合
·反牙合
·深覆牙合
·保存全副牙齿,牙齿在上下牙弓上排列得很整齐,上下牙的尖窝关系完全正确,上下牙弓的牙合关系非常理想
上下牙弓狭窄其矫治原则为
·缩小上牙弓宽度,或扩大下牙弓宽度,或二者并用
·升高前牙或压低后牙
·扩大牙弓,推磨牙向后
·矫正颌间关系
·扩大上牙弓.或用肌能训练矫治法,并加强营养及咀嚼功能,以促进颌骨及牙弓的发育
乳牙开始萌出时间:
·出生后12～14个月
·出生后10～12个月
·出生后4～5个月
·出生后6～8个月
·以上都不是
最晚萌出的乳牙:
·下颌乳尖牙
·下颌第一乳磨牙
·上颌乳尖牙
·上颌第二乳磨牙
·下颌第二乳磨牙
呼吸功能异常易引起的错位是
·单侧后牙反牙合
·后牙锁牙合
·佝偻病
·下颌后缩畸形
·以上都是
属于恒牙正常萌出顺序是
·上颌6→1→3→4→2→5→7
·上颌6→1→2→3→4→5→7
·下颌6→1→2→3→5→4→7
·上颌6→1→2→4→5→3→7
·以上都对
面部肌肉建牙合的动力平衡中,与向后的动力有关的肌肉是
·颞肌
·翼内肌
·咬肌
·上下唇方肌
·以上都不是
成釉器来源于:
·外胚间叶细胞
·牙乳头
·牙板
·前庭板
·以上都不是
· operate
· deal
· cope
· handle
Some of these stars have planets orbiting them, and ______ many billions of these planets could support life.()
· as far as it concerns
· there are possibly
· chances are that
· it is sure to say that
I’d rather you _____ make any comment othis issue for the time being.()
· don’t
· wouldn’t
· didn’t
· shouldn’t
Music and old photos ofte______ us of events ithe past.()
· remind
· memorize
· remember
· recall
He ____ his success to hard work and a little bit of good luck.()
· contributed
· distributed
· attributed
· devoted
从何年纪开始髁突表面和关节盘中的血管消失:
·18岁以后
·终生存在
·8～10岁
·1～2岁
·3～5岁
以理想正常牙合为标准,错牙合畸形的患病率是
·20.33%
·40.92%
·60%
·86.81%
·0.912
理想正常牙合是
·对于生理功能无大妨碍者,都可列入理想正常牙合
·个别正常牙合
·反牙合
·深覆牙合
·保存全副牙齿,牙齿在上下牙弓上排列得很整齐,上下牙的尖窝关系完全正确,上下牙弓的牙合关系非常理想
上下牙弓狭窄其矫治原则为
·缩小上牙弓宽度,或扩大下牙弓宽度,或二者并用
·升高前牙或压低后牙
·扩大牙弓,推磨牙向后
·矫正颌间关系
·扩大上牙弓.或用肌能训练矫治法,并加强营养及咀嚼功能,以促进颌骨及牙弓的发育
乳牙开始萌出时间:
·出生后12～14个月
·出生后10～12个月
·出生后4～5个月
·出生后6～8个月
·以上都不是
最晚萌出的乳牙:
·下颌乳尖牙
·下颌第一乳磨牙
·上颌乳尖牙
·上颌第二乳磨牙
·下颌第二乳磨牙
呼吸功能异常易引起的错位是
·单侧后牙反牙合
·后牙锁牙合
·佝偻病
·下颌后缩畸形
·以上都是
属于恒牙正常萌出顺序是
·上颌6→1→3→4→2→5→7
·上颌6→1→2→3→4→5→7
·下颌6→1→2→3→5→4→7
·上颌6→1→2→4→5→3→7
·以上都对
面部肌肉建牙合的动力平衡中,与向后的动力有关的肌肉是
·颞肌
·翼内肌
·咬肌
·上下唇方肌
·以上都不是
成釉器来源于:
·外胚间叶细胞
·牙乳头
·牙板
·前庭板
·以上都不是