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【单选题】
锯,瓦特发明蒸汽机都说明【 】对问题解决的影响。A.
动机强度
B.
原型启发
C.
问题解决的策略
D.
功能固着
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】adj. needing a lot of skill, patience, effort, etc; expecting a lot of work or attention from others; not easily satisfied
【单选题】─I want to teach in this area. ─Well, teachers ______ very much here. [ ]
A.
need
B.
are needing
C.
are needed
D.
will need
【简答题】_____________: adj. needing or wanting sth. so much
【简答题】adj. needing or wanting something so much
【简答题】adj. needing or wanting sth so much. de______
【简答题】What three ways were introduced as celebrations of the New Year in the USA?