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问题 多项选择题

原棉中所含杂质的去除，由开清棉和梳棉工序合理分担，开清棉工序主要去除（）

A.细小杂质

B.与纤维粘附性强的杂质

C.体积较大的杂质

D.金属等硬杂

E.容易碎裂的杂质

答案

参考答案：C, D, E

单项选择题

在各月在产品数量变动较大的情况下，采用在产品按定额成本计价法将生产费用在完工产品和在产品之间进行分配时，可能导致（）。

A.月初在产品成本为负数

B.本月发生的生产费用为负数

C.本月完工产品成本为负数

D.月末在产品成本为负数
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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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