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问题 多项选择题

平滑面浅龋与牙颈部浅龋的治疗目前多非手术治疗，常用的方法有（）

A.控制菌斑，保持病变部位清洁

B.应用氟化物增加对酸抵抗力.抑制代谢

C.在矿化液治疗

D.控制蔗糖食用量

E.手术治疗

答案

参考答案：A, B, C, D

句型转换

句型转换。

1. My father is kind and cheerful. (划线提问)

                                                                                                                      

2. I think she will be a good singer. (改为否定句)

                                                                                                                      

3. He is funnier than any other student in his class. (改为同义句)

                                                                                                                      

4. The sports uniforms of China are not the same as those of the UK in the Beijing Olympics. (同义句)

                                                                                                                      

5. My father took me to school in his car because I was late. (改为同义句) 

                                                                                                                      

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判断题

企业的利得和损失应直接计入所有者权益。 （）
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