如图为人体血液与组织细胞之间的物质交换示意图，请据图作答．

请问：△CDP与△PAE相似吗？如果相似，请写出证明过程．

已知$\cos \left(x+\frac{\mathrm{\pi }}{4}\right)=\frac{3}{5},\frac{17\mathrm{\pi }}{12}<x<\frac{7\mathrm{\pi }}{4},$，则$\frac{\sin 2x+2{\sin }^{2}x}{1-\tan x}=$ (  )  

词语填空                                              

 Dear Ronny,
　　Years ago you came to me for help. You said, "Grandpa, how could you do so ____   in your life? You're still active to your life, but I'm already tired of ____  for my life. How can I get the same thing that you've got?"
　　I didn't know what to say to you. But when I know there are few days left for me, I tell ____   that I should give you an answer. So here is what I believe.
First, you should know that life is filled(充满) with____  , and many of them are good ones. If you don't keep your eyes  ____ , you'll miss a number of good surprises in your life.　　
　　When you meet challenges, don’t run away, just welcome them. They'll make you stronger, ____  and cleverer than you were before. When you do something wrong, you should be thankful for the things it gave you. And then, you should use this lesson to help you ____ your dream come true. It's also important to decide what you want. Then keep your dream , work hard for it, and be ready to receive it. It will come true more quickly.
　　And always follow the rules, even the little ones. When you follow the rules, life will work well. ____   you think you can live without the rules, you're only fooling(愚弄) yourself.
　　There will be more chances  ____ you are growing up. So you have to be brave enough to move from a known place to an unknown place. Life isn't just like climbing one mountain. It is also a part of your life to move  ____ one top to the next. If you rest for a too long time, you may fail at last. Leave the past in the past. Climb the next mountain and enjoy the fight in your life.
　　The person that can win is the one who wants to win.
Love always,
　　Grandpa