影响流体流动阻力的原因有（）A.流体的粘性 B.流体流动的形态 C.壁面的粗糙度 D

请认真阅读下列短文，根据所读内容在文后71～80的空格里填上适当的单词。（每空1词）
A great life doesn’t happen by accident．A great life is the result of arranging wisely Your time，energy，thoughts，and hard work towards what you want your life to be．A great life is the result of using what you get in a creative and thoughtful way，instead of just what comes next．Make these”secrets”to fit your own needs and style，and start creating your own great life today!
Simplify．People don’t interpret what simplify means in a correct way．It’s not a way to
remove work from your life．When you focus on simplifying your life，you free up energy and
time for the work that you enjoy and the purpose for which you are here．
Effort．Creating a great life requires that you make some adjustments．It may mean
re．evaluating how you spend your time，or choosing to spend your money in a different way．
It may mean looking for new ways to spend your energy．Life will reward your best effort．
Create priorities．It’s easy to spend your days just responding to the next thing that gets
your attention，instead of intentionally using the time，energy and money you have in a way
that’s important to you．Focus on getting rid of the obstacles that get in the way of you making
sure you are honoring your priorities．
Reserves．A great life is the result of having reserves--reserves of things，time，space，
energy，money．Reserves are important because they reduce the fear of consequences，and that
allows you to make decisions that are based on what you really want instead of what the fear
decides for you．
Eliminate distractions．Look around at someone’s life you admire．Ask them how they did
it．Find ways to free up your mental energy for things that are more important to you．
Thoughts．A great life is the result of controlling your thoughts so that you accept and
allow for the possibility that it actually can happen to you! People who have specific goals
look for ways to achieve them．Believing there is a solution to the same old problems you
meet with year after year is really important to creating a life that you love．
Start．There’s the old saying everyone’s familiar with”a journey of a thousand miles
begins with a single step．”There’s no better time to start than today．Today，right now，is the
right day to start to take a step in the direction of your heart’s desires．It’s what you do
TODAY that will make a difference in your life tomorrow．

A brief introduction	A great life doesn’t happen by 71 ____________ A great life 72 __________ from arranging wisely your time energy，thoughts and hard work towards what you want your life to be A great life is the result of suing what you get in a creative and thoughtful way 73_______ than just what comes next
Seven 74 ________to a great life	When you focus on simplifying your life you 75______ energy and time to the work that you enjoy and the purpose for which you are here
	It is 76______ that you should make some adjustments in order to create a great life
	Focus on 77______ the obstacles that get in the way of you making sure you are honoring your priorities
	Reserves are important because they reduce the fear of consequences and that allows you to make decisions 78_________ on what you really want instead of what the fear decides for you
	Fin ways to devote yourself to things that are more important to you
	Believing there is a solution to the same old problems you 79_______ into year after year is really important to creating a life that you love
	The old saying “ a journey of a thousand miles begins with a single step” is familiar 80_______ us all It’s what you do TODAY that will make a difference in your life tomorrow