问题 单项选择题

患者,3天来下后牙遇冷水痛,吐出后痛持续10秒,平时无明显不适。该患者最可能的牙病是()

A.慢性牙髓炎

B.楔状缺损

C.可复性牙髓炎

D.急性牙髓炎

E.邻面中龋

答案

参考答案:C

完形填空
Do you know  21 languages there are in the world? There are about 1500, but many of them aren’t very  22  . English is one of the most important languages because many people 23  it, not only in England and America,  24  in other countries of world. About 375000000 people speak it  25  their own language, and another 375000000 use it as 26  language. It is 27  to say how many people are learning it.  28  boys and girls in schools are trying to do so.
Many English children study French. French is also a very important language.  29  children study German, Russian, Japanese and Chinese.
What is the best  30  to learn a language? We know that we all learnt  31  language well when we were 32  . If  we learn a second language in the  33  way, it won’t seem so difficult. What does a small child do? It  34  what people say, and it tries to guess what it hears. When it wants something, it has to 35  it. It is using the language, 36  in it and talking in it all the time. If people use a second language  37  , they will learn it 38  .
In school, you learn to read, to write, to hear and to speak. It is best to learn all new words
through the  39  .You can read them, spell them and  40 them later.
小题1:
A.how manyB.what numberC.a lot ofD.so many
小题2:
A.usefulB.necessaryC.importantD.good
小题3:
A.likeB.useC.learnD.speak
小题4:
A.butB.andC.alsoD.so
小题5:
A.likeB.withC.forD.as
小题6:
A.foreignB.a secondC.the secondD.a special
小题7:
A.easyB.againC.difficultD.best
小题8:
A.Millions ofB.Million ofC.MillionsD.Several million of
小题9:
A.SomeB.OtherC.AllD.Few
小题10:
A.timeB.wayC.thingD.place
小题11:
A.a foreignB.our mothers’C.other’sD.our own
小题12:
A.bornB.childrenC.grownD.boys
小题13:
A.sameB.differentC.usefulD.good
小题14:
A.doesB.saysC.listens toD.follows
小题15:
A.askB.wantC.getD.ask for
小题16:speaking                   B. writing                     C. thinking                   D. doing
小题17:
A.some timeB.sometimesC.all the sameD.for the time
小题18:
A.quicklyB.soonC.freelyD.hardly
小题19:
A.mouthB.handsC.earsD.mind
小题20:
A.listen toB.useC.loveD.write
单项选择题