原子荧光的猝灭主要影响荧光量子效率，降低原子荧光的强度。

任务型阅读 (共5题；每小题1分，共5分),每空一词。
In the past, words were the only way for people to express their thoughts, ideas and feelings. They wrote diaries, then blogs. Now people have a new way to write their diaries: Podcasts(播客).
To make Podcasts, people can use pictures, sounds, and videos together with their words to express what they want to say. Some people don’t writing anything. They use pictures, sounds and movies instead of words.
Someone says that a Podcast is like a personal TV station. People don’t have to spend money putting them on the Internet, so it is easy for people to make them and watch them. Podcasts are more interesting than blogs, and people can have more fun making and watching them too.

What are ways to express thoughts,ideas and fellings?	People used to 小题1:to express their thoughts.
	Now,people can use 小题2:
What is a Podcast?	Someone says that a 小题3:Podcast is like a TV station.
How can people make Podcasts?	People can use pictures,sounds,and videos together with their words to小题4: Podcasts.
What do people think of Podcasts?	It is easy and 小题5:for people to make and watch Podcasts.