题目内容
根据我国《国民经济行业分类》（GB/T4754—2002），下列属于第二产业的是（）
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In a Natural Approach classroom, most of the classroom time is spent on activities which foster______.
技术性贸易壁垒的形式不包括______
Which of the following methods advises teachers to consider their students as "whole persons"
The following are basic principles of the Oral Approach EXCEPT______.
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