【单选题】【消耗次数：1】
窝沟封闭剂的主要成分
①
稀释剂
②
过氧化苯甲酰
③
芳香胺
④
樟脑酯
⑤
树脂基质
参考答案：
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相关题目
【单选题】
关于氢氧化钙基根管封闭剂，下面描述错误的是
①
具有较强的抗菌作用
②
在根管内逐渐凝固
③
促进根尖钙化，封闭根尖孔
④
强碱性
⑤
与牙胶尖共同使用可作为永久性根充材料
【单选题】
维A酸联合过氧苯甲酰治疗寻常痤疮的正确用法是（ ）。
①
将两药的凝胶或乳膏充分混合后应用
②
两药的凝胶或乳膏间隔2小时交替使用
③
前额、颜面部应用维A酸凝胶或乳膏，胸背上部应用过氧苯甲酰凝胶
④
睡前应用维A酸凝胶或乳膏，晨起洗漱后应用过氧苯甲酰凝胶
⑤
晨起洗漱后应用维A酸凝胶或乳膏，睡前应用过氧苯甲酰凝胶
【单选题】
以下关于过氧苯甲酰的描述中，不正确的是（ ）。
①
可杀灭痤疮丙酸杆菌
②
可导致皮肤干燥，脱屑
③
具有杀菌除臭作用
④
为强还原剂，极易分解
⑤
可分解出新生态氧而发挥作用
随机题目
【判断题】
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color:#333333;background:white;mso-ansi-language:EN-US;mso-fareast-language:
ZH-CN;mso-bidi-language:AR-SA">零件图应通过剖视图和断面图表达内部结构，不应出现虚线
①
正确
②
错误
【单选题】
正投影法中，投影面、观察者、物体三者相对位置是( )
①
Normal
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2
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人——面——物
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Normal
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7.8 磅
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false
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物——人——面
③
Normal
0
7.8 磅
0
2
false
false
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ZH-CN
X-NONE
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C. 人——物——面
④
Normal
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7.8 磅
0
2
false
false
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ZH-CN
X-NONE
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mso-hansi-font-family:等线;
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面——人——物
【单选题】
当直线、平面与投影面平行时，该投影面上的投影具有( )
①
Normal
0
7.8 磅
0
2
false
false
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EN-US
ZH-CN
X-NONE
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积聚性
②
Normal
0
7.8 磅
0
2
false
false
false
EN-US
ZH-CN
X-NONE
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{mso-style-name:普通表格;
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真实性
③
Normal
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7.8 磅
0
2
false
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类似收缩性
④
Normal
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0
2
false
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ZH-CN
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收缩性
【单选题】
mso-bidi-font-family:宋体;mso-font-kerning:0pt;mso-ansi-language:EN-US;
mso-fareast-language:ZH-CN;mso-bidi-language:AR-SA;mso-bidi-font-weight:bold">平行剖切面剖视图所用的剖切平面是
①
一个剖切平面
②
两个相交的剖切平面
③
两个剖切平面
④
几个平行的剖切平面
【单选题】
带切口三棱锥的三视图正确的是<img src="https://file.icve.com.cn/ssykt/612/1019/993FEC45F09DCEE161CBCB1E01C2CC55.png"/>
①
<img src="https://file.icve.com.cn/ssykt/182/242/2D93C9C0D7E7C1DB10E4A19FFB151032.png">
②
<img src="https://file.icve.com.cn/ssykt/806/563/C988CDCABF9549CBA1EF8D59C4196DAD.png">
③
<img src="https://file.icve.com.cn/ssykt/781/281/C344661011811700A3609B4D1742E2F6.png">
④
<img src="https://file.icve.com.cn/ssykt/469/867/757D8D6A89B8454C01577E33C252B1AA.png">