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 Grammar-Translation Method
2) ______ the Direct Method
3) ______ the Oral Approach
4) ______ the Audiolingual Method
5) ______ the Cognitive Approach
a) The neogrammarians, represented by Hermann Paul formed its main linguistic base.
b) The structural linguists believed that the primary medium of language is oral, that is language is speech.
c) It lays emphasis on the conscious acquisition of language as a meaningful system.
d) It can be characterized as a type of British "structuralism".
e) It believes in the natural process of language learning and in the inductive teaching of grammar.

发动机的进气门间隙与排气门间隙相比，（）。

A.两者间隙相等

B.进气门间隙较大

C.排气门间隙较大

D.不一定