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【判断题】
微波、超声波、紫外线都可用于杀菌。

正确
错误
【判断题】
低剂量照射紫外线微生物几乎没有影响,但以超过某一阈值剂量紫外线照射,则会导致微生物基因突变。

正确
错误
【单选题】
以下属于紫外线治疗禁忌证是( )

玫瑰糠疹
银屑病
红斑狼疮
白癜风
寻常痤疮
【单选题】
阳光中紫外线照射到皮肤上可生成( )。

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Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.5pt; mso-bidi-font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:宋体; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi; mso-font-kerning:1.0pt;}维生素B1
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【单选题】
阳光中紫外线照射到皮肤上可生成( )

维生素A
.维生素B1
维生素C
.维生素D
【单选题】
阳光中紫外线照射到皮肤上可生成( )。

维生素A
维生素B1
维生素C
维生素D
【单选题】
阳光中紫外线照射到皮肤上可生成

维生素A
维生素B1
维生素C
维生素D
【单选题】
阳光中紫外线照射到皮肤上,可生成()

维生素A
维生素B
维生素C
维生素D
【判断题】
幼儿园紫外线消毒时间应不超过半小时。()

正确
错误
【单选题】
EEPROM存储器除可用紫外线照射擦除外,还可用电擦除。

正确
错误