【单选题】When might a worker need to use a variety of skills?
A.
When he or she creates a complete product.
B.
When a product is complete.
C.
When the work is tedious.
【简答题】()是人脑对于客观事物的概括的、间接的反映。
【判断题】观察是人脑对客观事物的间接的、概括的反映。()
【单选题】思维是人脑对客观事物概括的、间接的反映,是认识的 阶段。
【判断题】思维是人脑对于客观事物的概括的、间接的反映。
【判断题】思维是人脑对于客观事物的概括的、间接的反映。
【单选题】when might a worker need to use a variety of skills?
A.
when he or she creates a complete product.
B.
when a product is complete.
C.
when the work is tedious.