工程直接费包括（）。
A.人工费
B.办公费
C.机械使用费
D.临时设施费
E.材料费
参考答案：A, C, E
In the Oral Approach, Palmer insisted that there was a basic difference between the spontaneous capacities of human beings to ______ language naturally and unconsciously and the trained or"situational" capacities of the classroom learner which allowed him to learn language consciously.
A．商店B有规定，C凡是特价商品D不能退换。
A．一律
B．一律
C．一律
D．一律
