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问题 单项选择题 A1/A2型题

诊断根尖周囊肿最重要的诊断依据为（）。

A.牙髓无活力

B.根尖周透射区周边有白线围绕

C.囊液中见到胆固醇结晶

D.根管内有浅黄透明囊液

E.包括以上各项

答案

参考答案：B

单项选择题

下列程序段的结果为 A="ABBACDDCBA" Fori=6 To 2 Step-2 　　X=Mid(A,i,i) 　　Y=Left(A,i) 　　Z=Right(A,i) 　　Z=X&Y&Z Next Print Z

A．ABC

B．AABAAB

C．BBABBA

D．ABBABA
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填空题

1) ______ the Oral Approach
2) ______ the Cognitive Approach
3) ______ the Communicative Approach
4) ______ the Audiolingnal Method
5) ______ the Direct Method
a) The use of drills and pattern practice is one of its distinctive features.
b) The practice techniques adopted in this approach generally consists of guided repetition and substitution activity.
c) Written work should be graded.
d) Role play and simulation activities are often thought to be one of the most effective ways of integrating language skills in the language classroom.
e) It seeks the intellectual understanding by the learner of the language as a system.
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