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问题 单项选择题

口腔医师嘱某患者下颌自然闭合到与上颌牙齿接触，并紧咬，口内检查见所有牙都保持接触，试问此时这个患者下颌所处的位置是

A．牙尖交错位

B．正中关系位

C．后退接触位

D．最小电位颌位

E．下颌姿势位

答案

参考答案：A

单项选择题

利尿药物中属于醛固酮拮抗剂的是

A．螺内酯

B．氢氯噻嗪

C．呋塞米

D．氨苯喋啶

E．依他尼酸
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填空题

You want to know what the safest place for children 77．______
is in the car The experts say the back seat is the safest for 78．______
them. The back seat is farthest away off the force of a head- 79．______
on collision(迎头撞击), which can lead serious injuries. 80．______
If your child is below 8 and weighs no more than 85 81．______
pounds, it is necessarily to fit your car with a safety seat. 82．______
Moreover, the safety seat must be held in place of on the83．______
car’s back seat. If your child do need your attention while 84．______
you driving, don’t look back with only one hand on the 85．______
wheel. You’d better stop the car. 86．______
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