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问题 多项选择题

用卫生填埋来处置城市垃圾，不仅操作简单，施工方便，费用低廉，还可同时回收甲烷气体，目前在国内外被广泛采用。在进行卫生填埋场地选择、设计、建造、操作和封场过程中，应着重考虑防止环境污染。生活垃圾填埋场的污染源一般包括（）

A、渗滤液；

B、释放气；

C、恶臭；

D、噪声；

答案

参考答案：A, B, C, D

句型转换

句型转换。

1. That is a cat. (改为复数形式)

                                                               _________________________________

2. There is some water in the cup. (改为疑问句形式)

                                                                                                                                 

3. He likes going swimming. (改为否定句形式)

                                                                                                                                  

4. This sweater is mine. (改为同义句)

                                                                                                                                   

5. These boys are playing football. (对画线部分提问)

                                                                                                                                   

6. My brother is thinner than my sister. (改为同义句)

                                                                                                                                    

7. Do you like the yellow flowers? (作肯定回答)

                                                                                                                                    

8. It is a big park. (改为感叹句形式)

                                                                                                                                     

9. I usually go to school by bus. (对画线部分提问)

                                                                                                                                     

10. I get up at seven o'clock every morning, (用last Sunday代替every morning)

                                                                                                                                     
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单项选择题

小伟在数学课上学会了心算，这种学习属于（）。

A.心智技能学习

B.运动技能学习

C.操作技能学习

D.应用技能学习
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