患者，男性，45岁，右侧下颌第一磨牙拔除后3个月，要求烤瓷固定_爱下问搜题

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问题单项选择题 A1/A2型题

患者，男性，45岁，右侧下颌第一磨牙拔除后3个月，要求烤瓷固定桥修复，经检查，确认右侧下颌第二磨牙和第二前磨牙的牙根长度及牙槽骨高度均适宜，可以选作固定桥的基牙，但右侧下颌第二前磨牙部分牙冠缺失，X线照片显示尖周有阴影，此时，应首先选择的治疗措施为（）

A.右侧下颌第二前磨牙成品根管钉固位，银汞做核

B.右侧下颌第二前磨牙铸造桩核

C.右侧下颌第二前磨牙完善的根管治疗

D.右侧下颌第二前磨牙牙本质钉固位，银汞做核

E.右侧下颌第二前磨牙干髓术治疗

答案

参考答案：C

完形填空

A farmer had some puppies（小狗）to   36  . He painted a sign advertising the puppies and   37__ nailing （钉）it to a post on the edge of his yard. As he was driving the last nail into the post, a little boy came to him.
“Mister,” he said, “I want to buy one of your puppies.”
“Well,” said the farmer, as he   38  the sweat off his face, “these puppies come from fine parents and cost   39  money. Do you have enough money?”
The boy    40   his head for a moment. Then reaching into his pocket, he pulled out a handful of   41  and held it up to the farmer. “I’ve got thirty-nine cents. Is that enough to take a look?” “Sure,” said the farmer. And with that he  42  a whistle (口哨声), “Here, Dolly!” he called.   43  from the doghouse and down the ramp ran Dolly    44  by four little balls of fur. The little boy’ eyes danced with delight. As the dogs made their   45  to the fence, the little boy noticed something else stirring inside the doghouse.   46    another little ball appeared; this one noticeably smaller. Then in a somewhat    47   manner the little pup began hobbling（蹒跚） toward the others, doing its best to    48  .
“I want that one,” the little boy said,   49   to the smallest one. The farmer said, “Son, you don’t want that puppy. He will never be able to run and play with you   50  these other dogs would.”
With that the little boy   51  back from the fence, and began    52    up one leg of his trousers. In doing so he exposed a steel support running down both sides of his leg   53  itself to a specially made   54   . Looking back up at the farmer, he said, “You see sir, I don't   55   too well myself, and he will need someone who understands.”

A．a number of

B．quite a few

C．a great deal of

D．only a little

C．being attached

多项选择题 X型题

部分激动药特点有（）

A．一般情况下，剂量增加时激动受体作用加强

B．可对抗高浓度激动药的效应

C．内在活性较弱

D．对受体有亲和力

E．单独应用时，可引起弱的效应