甲国警察布某，因婚姻破裂而绝望，某日持枪向路人射击。甲国警方迅速赶到事发现场，采取措

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

染色体增加的原因是（）。

A．DNA的复制

B．染色单体的分离

C．染色单体的分裂

D．染色单体的增加

我国现行刑事诉讼法关于回避的规定不包括

A．自行回避

B．申请回避

C．指令回避

D．无因回避

测量误差时，测量电阻值为1×1010Ω及以下应不大于（）。

A、20%

B、30%

C、10%

D、5%

下列哪些物质是混合物（）

A、烧碱

B、磷酸三钠

C、石油

D、铁