应用反馈是指在培训后，学员到工作岗位上工作一段时间后，对其受

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问题多项选择题

应用反馈是指在培训后，学员到工作岗位上工作一段时间后，对其受训作用进行考查的一种方式，它包括对（）的调查了解，以此来改进培训工作。

A.学员同事

B.企业

C.学员主管领导

D.学员

答案

参考答案：C, D

填空题

用括号内所给动词的适当形式填空。

1. Many people decided ________ (move) to the countryside because of much air pollution in the city.

2. Liu Xiang ________ (get) a gold medal at Athens Olympic Games in 2004.

3. ________ (not stand) too close to the wild animals. It's dangerous.

4. Dolphins are friendly. If you ________ (fall) into the water, they may come up to help you.

5. My little brother kept ________ (ask) questions about the Talking Robot while we were in the Science

Museum.

6. The students are very glad they ________ (visit) Mount Emei the day after tomorrow.

7. "Everybody ________ (have) to hand in the composition in class." said our teacher.

8. Please be quiet! We ________ (listen) to the songs sung by the "Super Girl" Li Yuchun.

9. In the last several years we ________ (set) up many new factories in our home town.

10. Great changes have already taken place in Yancheng. A second expressway (高速公路) ________

(build) through the city a few years after the first one was done.

问答题论述题

IP层与TCP层各完成什么任务，有什么特点？