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问题 单项选择题 共用题干题

一患者下颌缺失，面2度龋、近中舌向倾斜、不松动，余留牙牙石2度，左侧下颌隆凸明显、倒凹大，舌侧前部牙槽骨为斜坡型，口底深，上颌牙完全正常

可摘局部义齿的支持类型为（）

A.牙支持式

B.牙槽骨支持式

C.粘膜支持式

D.混合支持式

E.游离端支持式

答案

参考答案：D

多项选择题

导致精神发育迟滞的出生后因素包括（）

A.颅脑外伤

B.中枢神经系统感染

C.重度营养不良

D.缺乏接受教育的机会

E.新生儿内科疾病
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填空题

Last year I caught the baby cuckoo and put 56. ______
it in a cage outside. Later its mother flew from the cage 57. ______
with food in her mouth. I was happy to see this, because of 58. ______
the mother bird knew much better than I did to feed her 59. ______
baby. But the following morning I found the baby bird60. ______
died. I told the story of my bird to my biology teacher 61. ______
and he explained that what had happened. A mother 62. ______
cuckoo, finds her baby in a cage, will bring it poison63. ______
food. She believes it is good for her baby to die than to 64. ______
live in a cage. I still feel sorry for what I do to the bird.65. ______
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