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【多选题】
下列预测方法中，属于定性预测的有( )。A.
用户调查法
B.
时间序列分析法
C.
因果关系分析法
D.
德尔菲法
E.
类推法
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】留白是我国古典绘画中常用的艺术手法，指作者在创作中为了更充分地表现主旨而精心留出的“空白”，以营造出“此处无物胜有物”之境。这一理念体现在教育中，要求教师（ ）。
A.
把任何道理都对学生说透、说尽
B.
对学生放之任之
C.
留给学生独立的空间，让学生有自我反省的机会
D.
抓紧课堂，放松课外
【简答题】Manufacturers mentioned in the passage were obliged to make the best of warning labels sb as to ______ .
【简答题】Manufacturers mentioned in the passage were obliged to make the best of warning labels so as to ______.
【简答题】The manufacturers shall, before the goods is delivered ______ , make a precise and comprehensive inspection of the goods ______ regard to its quality, specifications, performance and quantity, weight,...
【单选题】It seems that manufacturers will remain reluctant to make improvements unless ______.
A.
they can do so at a very Iow cost
B.
they find their machines hard to operate
C.
they have difficulty selling their products
D.
they receive a lot of complaints about their machines
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