完形填空（共20小题；每小题1.5分，满分30分）
阅读下面短文，从短文后各题所给的四个选项（A、 B、 C 和 D ）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
“So teach him to close the door”, my daughter Emma responded after listening to me 36 , again, about the dog coming in from the back door, bringing with him a blast of Buffalo January 37 air．
Teach a dog to close a door behind him? That has got to be a really, really 38 thing to do．But then she took it a step 39 ．“Come on Kolby”, she said, grabbing(抓住) some treats and 40 him in front of the open door．“Touch．” And “touch” he did, which moved the door to a 41 position．She 42 him with a treat, smiled, looked at me, and said “see!” And I saw and became 43 ．Over the last few days I have been consistent（一致的） with Kolby．Each time he comes in I 44 him back to the open door patiently and ask him to close．There have been 45 in the beginning, but lately more and more successes．
However, there remains much work to be done．I have to get him follow my hand signal again and again 46 he will close the door from a distance．But, I now realize, as long as you keep to the 47 , the task will be completed, and, with the way things are progressing, 48 quickly．
What a 49 treat to have a dog that can close the door after himself! Even more wonder can be found in the 50 I learned so clearly from both Emma and Kolby．
A wish is just a wish until you decide to take 51 ．Once you 52 the belief that it is “too hard”, then it remains “too hard ” and out of 53 ．Once you decide to accomplish a goal, and 54 that it is “easy”, then it becomes “easy” to do what needs to be done．Just 55 doing it．
1. A．complain B．scream C．worry D．scare
2.A．thin B．fresh C．dirty D．cold
3.A．last B．funny C．hard D．possible
4.A．again B．further C．deeper D．backward
5.A．pushing B．tying C．seating D．positioning
6. A．stopped B．fixed C．closed D．locked
7.A．rewarded B．provided C．offered D．thanked
8.A．persuaded B．convinced C．inspired D．puzzled
9.A．bring B．pull C．drag D．call
10.A．pleasures B．experiments C．failures D．pauses
11. A．in case B．even if C．as if D．so that
12. A．interest B．focus C．progress D．harmony
13. A．determined B．taught C．bought D．completed
14.. A．wonderful B．small C．different D．simple
15. A．knowledge B．skills C．lessons D．experience
16.A．patience B．part C．delight D．action
17. A．hold on to B．pay attention to C．come up with D．get used to
18. A．date B．touch C．reach D．power
19. A．prove B．decide C．conclude D．realize
20. A．imagine. B．start C．keep D．enjoy
The purpose of her talking to me last night actually _______this: That I shall never trust him any more in future.
A. comes round B. comes out C. comes on D. comes to
The price system is a complex network composed of the prices of all the products bought and sold in the economy as well as of a great number of services.
A. the one B. that C. ones D. those
I ______ tell you with certainty that he won’t be able to finish it before the deadline.
A. will B. must C. can D. may
His humorous closing speech was a welcome addition to the ______dull meeting．
A．therefore B．meanwhile C．otherwise D．nevertheless
Someone _______ his car in front of my house and it is blocking my driveway.
A. had parked B. was parking C. parked D. has parked
