小学教师没有必要进行教学研究。 （ ）

     If  you have ever been discouraged because of failure,please read on.For often,achieving what you
__1 __to do is not the important thing.Let me explain.
     Two brothers decided to dig a__2 __hole behind their house.As they were working,a couple of older
boys stopped by to__3 __.
     "What are you doing?"asked one of the visitors.
     "We plan to dig a hole all the way through the earth!" one of the brothers__4 __excitedly.
     The older boys began to laugh,__5 __the younger ones that digging a hole all the way through the earth was__6 __.After a long__7 __,one of the diggers picked up a jar full of spiders,worms and a wide variety of insects.He__8 __the lid and showed the wonderful contents to the scoffing (嘲笑)__9 __.
     Then he said quietly and__10__,"Even if we don't dig all the way through the earth,look what we have
found along the way!"
     Their__11__was far too ambitious,but it did__12__them to dig.And that is what a goal is for-to cause us to move in the__13__we have chosen；__14__to set us to digging!
     But not every goal will be fully__15__.Not every job will end successfully.Not every relationship will
endure.Not every hope will come to pass.Not every love will last.Not every endeavor will be completed.
Not every dream will be__16__.
     But when you__17__your aim,perhaps you can say,"Yes,__18__look at what I found along the way!
Look at the wonderful things which have come into my life because I tried to do something!"
     It is in the__19__that life is lived.And I believe it is joy in the journey,in the end,that truly__20__.