皮皮学，免费搜题
登录
搜题
【多选题】
有关辐射灭菌说法正确的是()。A.
微波 通过热产生杀死微生物的作用。
B.
紫外线 (UV) 使 DNA 分子中相邻的嘧啶形成嘧啶二聚体，抑制 DNA 复制与转录等功能，杀死微生物。
C.
X 射线和 y 射线 使其他物质氧化或产生自由基 (OH ·、 H · ) 破坏和改变生物大分子的结构，以抑制或杀死微生物。
D.
辐射灭菌是利用电磁辐射产生的电磁波杀死大多数物质上的微生物的一种有效力法。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 to 45. Dear Sir/Madam, I am pleased to write a letter of recommendation on behalf of Sand R...
【简答题】Task 2 The CEO of TAF received reports of the following incidents. Help him decide which departments should be held responsible for the problems described.
【简答题】Task 2 Directions: This task is the same as Task I. The 5 questions or unfinished statements are numbered 41 to 45. Dear Sir/Madam. I am pleased to write a letter of recommendation on behalf of Sand R...
【单选题】Task 2The CEO of TAF received reports of the following incidents. Help him decide which departmentsshould be held responsible for the problems described. 1. Three engineers in R&D didn’tget their wage...
A.
Administrative Department
B.
Human Resources Department
C.
Sales & Marketing Department
D.
Production Department
【单选题】______does she do anything important without asking her parents'advice first.
A.
Usually
B.
Seldom
C.
Sometimes
D.
Often
【单选题】Do you have ____________________to say about your show?
A.
else anything
B.
else something
C.
anything else
D.
something el se
【简答题】Task 2 Directions:This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 to 45. Dear Sir/Madam, I am pleased to write a letter of recommendation on behalf of Sand Ri...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
