问题 单项选择题

患者男性,33岁,残冠,根尖病变。拔除过程中,远中颊根折断,取根时,牙根突然消失。捏鼻鼓气时拔牙窝内有气体溢出

如X线片显示患者为低位上颌窦,移位的牙根已进入上颌窦,但仍位于拔牙窝附近,此时最佳处理方法()

A.刮匙搔刮取根

B.观察

C.从穿孔处冲洗吸出断根

D.上颌窦根治术

E.于穿孔处开窗取根

答案

参考答案:E

完形填空


The other day my daughter finally had a day off work. We decided to go out in the    16  for the time, together! It was an enjoyable experience. Then a surprising thing happened. She turned and asked, “Hey, Dad, can I    17  the boat?” I had a look of fear in my eyes    18  the boat can be driven at a very high speed and can be turned over very quickly. However, I gave the driving seat to her and began    19  her how to properly control the boat. I told her to remain calm as I had completely believed in her.
It can be both frightening and exciting when your child tries doing something, even if it’s a small thing, you still feel like they are growing up too fast and it’s out of your    20  . Time goes by so quickly, so it’s    21  to spend time with your kids, with your family. It is an amazing feeling to experience as their confidence grows.
In every situation if you relax, take your time, and show confidence, you will have a great      22  . We not only had a    23  morning on the boat, but also invited our little neighbour who is 8 years old and put him in the    24  right between us. As I drove at top speed, making sudden turns and jumping over the waves, all I could hear was my neighbour      25  and screaming at the top of his voice because he was having such a great time.
小题1:
A.planeB.trainC.carD.boat
小题2:
A.driveB.touchC.carryD.buy
小题3:
A.ifB.butC.sinceD.until
小题4:
A.teachingB.remindingC.warningD.asking
小题5:
A.senseB.controlC.stateD.sight
小题6:
A.earlyB.importantC.quickD.easy
小题7:
A.thoughtB.friendC.timeD.chance
小题8:
A.safeB.funC.freeD.cold
小题9:
A.queueB.bedC.floorD.seat
小题10:
A.laughingB.speakingC.dancingD.Singing
多项选择题