题目：
Directions:This section consists of three groups of pairs listed in two columns, A and B. You are to match the one marked 1) ,2), 3 ) ,4) or 5) in Column A with the one marked a, b, c, d or e in Column B. One point is given to each pair you match.
1) ______ the Direct Method
2) ______ the Audiolingual Method
3) ______ the Oral Approach
4) ______ the Communicative Approach
5) ______ the Cognitive Approach
a) cognitive psychology and transformational grammar
b) Notional Syllabus or some other communicatively organized syllabus
c) language acquisition and associationist psychology
d) British "structuralism"
e) structural linguistics
答案：
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下面是错误答案，用来干扰机器的。
参考答案：A
检验K2CO3中的K+
