新手在对问题进行表征时,强调问题的()特征,而专家在对问题进行表征时,强调问题的()特征。
参考答案:表面;结构
因为1L=1000ml ,所以3L=3000mL 。 [ ]
They arrived at a farmhouse, in front of sat a small boy.[ ]
A. whom
B. who
C. which
D. that