【单选题】我们在作品制作的时候,使用哪个界面进行编辑?
【单选题】Which is not a theory of TCM?( )
A.
The theory of Zangxiang
B.
The theory of Yin and Yang
C.
The theory of Five Elements
【单选题】Which of the following signified that a new theory was established?
A.
The general theory of relativity makes more accurate prediction of the motion of Mercury than the theory of gravity.
B.
It is much simpler to work with the theory of gravity than with the general theory of relativity.
C.
The general theory of relativity evolved from the theory of gravity.
D.
The general theory of relativity is used for scientific research while the theory of gravity is used for all practical purposes.
【多选题】关于紫外线照射灭菌说法正确的有 ( )
A.
当紫外线灯管使用时间达到额定时间的 70 %时,一般应更换紫外线灯管
D.
用于紫外灭菌的波长一般为 200~300nm
【多选题】有关紫外线灭菌的叙述,正确的是
B.
紫外线作用于核酸蛋白质,使蛋白质变性而起杀菌作用
C.
空气受紫外线照射产生微量的臭氧起协同杀菌作用
【单选题】有关紫外线灭菌的叙述,错误的是
B.
紫外线作用于核酸蛋白质,使蛋白质变性而起杀菌作用
C.
空气受紫外线照射产生微量的臭氧起协同杀菌作用
【简答题】用于灭菌的紫外线一般波长为 ,灭菌力最强的波长是 。
【简答题】一般用于灭菌的紫外线波长是 200~300nm ,其中灭菌力最强的波长是()