Professor Tang didn't give us a speech today．It was_______he had a traffic accident on the way to school．

A．that B．when　　　　　 C．why D．because

　　You have probably heard of homing pigeons (鸽子), which usually appeared in war. From 3,000 B．C．to the present, homing pigeons have 1 as postmen. They have been especially useful for carrying messages in time of war. The telegraph is not 2 to carry about. Sometimes only the little pigeon can take a message where it ought to go.

　　In 1870, when the Prussians surrounded the city of Paris, the city was cut off from all the 3 means of communication. The people 4 many different ways of 5 news. One way was to let go small balloons carrying mail. 6 of course, they only drifted 7 the wind carried them. Often they landed inside the enemy's lines. Even balloons large enough to carry a pilot could hardly be well controlled.

　　It was pigeons that in the end solved the 8 . Homing pigeons were brought into 9 . Soon they were carrying letters far and wide. The enemy bought 10 to catch pigeons, but the little postmen could fly faster than their 11 . Strangely enough, pigeons played an important 12 in war.

　　During World War I every army unit had a group of pigeons 13 . Many of them were 14 . Among them was an American pigeon with a French name Cher Ami, which meant “friend”. A group of U.S. soldiers were surrounded by the enemy. They had no food and no bullets. They nearly died of 15 There was 16 hope for them. Cher Ami made his way 17 the bullets and succeeded. At once planes set out to drop food and ammunition (军火) to them. With their strength 18 , the soldiers fought back to their own army and got saved.

　　 19 can pigeons carry the message? There were various methods. Usually the message is put into a little glass tube. The tube is tied to the leg or hidden under 20 or hung around the neck.

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Once there was an old farmer, with a horse which was almost as old as himself. He __16__ one morning with his young son, 17   the horse before it died. Father and son walked, 18 the farmer did not want the horse to be 19 . ?

They met two men on the road20 said: “Why are you walking, farmer? You have a horse. It's __21__to market.” The farmer knew that this was__22__, so he rode on the horse, __23__his son walked. ?

Then they met two old ladies. “__24__are you doing up there, farmer? Can't you__25__how tired your boy is?” __26__the farmer got down, and his son rode__27__. ?__28__, three old men stopped them. One said: “Why are you walking, farmer?__29__. It's too hot for an old man like you to walk today.” So the farmer got up　 30__his son, and they__31__. __32__, a young woman passed them. “Why aren't you walking?” she asked. “It isn't __33_ to market. Give your poor old horse a rest.”

So the farmer, and his son, got down__34__.

It is a fact that you cannot please__35__the people all the time.

________matters most in learning English is enough practice.

第二节　完形填空（共20小题；每小题1.5分，满分30分）
　　阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。
　　One day a young man was standing in the middle of the town proclaiming that he had the most beautiful heart in the whole valley. A large crowd gathered．and they all admired his heart for it was 　31　. There was not a scar in it. Suddenly, an old man appeared and said, “Why, your heart is not nearly as beautiful as 　32　.”
　　The crowd and the young man looked at the old man’s 　33　. It was full of scars, it had places 　34　 pieces had been removed and other pieces 　35　 in, but they didn’t fit quite right, and there were several 　36　 edges. In fact, in some places there were deep gaps where whole pieces were missing.
　　The young man laughed. “ 　37　 your heart with mine, mine is perfect and yours is a mess of scars.”
　　“Yes,” said the old man, “Yours 　38　 perfect but I would never trade with you. You see, every 　39　 represents a person 　40　 I have given my love. I tear out a piece of my heart and give it to them, and often they 　41　 me a piece of their heart that fits into the 　42　 place in my heart. But because the pieces aren’t exact, I have some rough edges, which I cherish, because they remind me of the love we 　43　.
　　“Sometimes I have given pieces of my heart 　44　, and the other person hasn’t returned a 　45　 of his or her heart to me. These are the empty gaps—giving love is 　46　 a chance. Although these gaps are painful, they 　47　 open, reminding me of the love I have for those people too, and I hope someday they may return and fill the space I have been waiting. So now do you see what true beauty is?’’
　　The young man walked up to the old man, 　48　 his perfect heart, and tipped a piece out. He 　49　 it to the old man.
　　The old man placed it in his heart, then took a piece from his old scarred heart and placed it in the wound in the young man’s heart. It 　50　, but not perfectly, as there were some jagged edges.
　　The young man looked at his heart, not perfect anymore but more beautiful than ever, since love from the old man’s heart flowed into his.
　　They embraced and walked away side by side.
31．A．ugly          B．perfect      C．beautiful     D．hurt
32．A．mine         B．his          C．theirs          D．ours
33．A．coat         B．appearance    C．face           D．heart
34．A．that        B．which       C．where　      D．whose
35．A．cut           B．set            C．put          D．brought
36．A．smooth       B．rough          C．broken             D．pretty
37．A．Comparing    B．Compared    C．Compare     D．Compares
38．A．looks        B．seems          C．is           D．fits
39．A．one        B．heart       C．piece         D．scar
40．A．on whom           B．in whom      C．with whom    D．to whom
41．A．take          B．give        C．lend        D．pass
42．A．empty         B．full            C．original       D．first
43．A．had           B．gave        C．shared       D．owned
44．A．in           B．away         C．off         D．up
45．A．lot            B．sheet          C．piece       D．pile
46．A．making       B．taking       C．keeping      D．bringing
47．A．keep          B．cut         C．come         D．stay
48．A．carried away  B．reached into    C．took out      D．brought up
49．A．offered      B．took        C．passed      D．served
50．A．fit             B．hit           C．beat           D．set