选择正确的答语。

(     )1. Where is my skirt?

(     )2. What colour is your dress?

(     )3. Is this your jacket?

(     )4. Whose sweater is it?

(     )5. Thank you.

A. You are welcome.

B. It's Amy's.

C. Yes, it is.

D. It's on the floor.

E. It's green.

工程咨询提供智力服务，咨询成果(产出品)属( )。

A．物质产品
B．预测性产品
C．非物质产品
D．前瞻性产品