设有两个散列函数H₁(K)=K mod 13和H₂(K)=K mod 11+1，散列表为T[0…12]，用二次散列法解决冲突。函数H₁用来计算散列地址，当发生冲突时，H₂作为计算下一个探测地址的地址增量。假定某一时刻散列表的状态为：

　　下一个被插入的关键码为42，其插入位置应是

A．0

B．1

C．3

D．4

1) ______ the Communicative Approach
2) ______ the Audiolingual Method
3) ______ the Oral Approach
4) ______ the Cognitive Approach
5) ______ the Natural Approach
a) It emphasizes the provision of situation in the presentation of a new structure and in dealing with the integration of vocabulary work.
b) Phonetic systems led to the higher level of phrases, clauses and sentences.
c) Students should be allowed to create their own sentences based on an understanding of a rule.
d) Language learning is viewed as mastery of structures by stages.
e) Wilkins’ s book Notional Syllabuses (1976) had a significant impact on its development.