问题
填空题
断肢（指）再植术后突然发生的循环危象，大多数由于（）形成所致。渐渐发生的供血不足，一般由于（）所引起。
答案
参考答案：血栓；血管痉挛
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断肢（指）再植术后突然发生的循环危象，大多数由于（）形成所致。渐渐发生的供血不足，一般由于（）所引起。
参考答案：血栓；血管痉挛
Once an Arab was traveling in the desert . When the sun went down in the west , he stopped and put up his tent , made a fire and had a 36 meal . When night fell , he 37 down to sleep . He had 38 fallen asleep when he felt a soft 39 on his elbow(肘) . He woke up to find that his camel had put his head inside the tent . The camel said , “Would you please let me keep my head in the tent to get warm ? It’s so cold outside . I won’t take up much room . ” The Arab was a 40 man . “All right ,do as you please , ”he said . Then he turned on his side and went back to sleep . It wasn’t long 41 he felt a push on his shoulder . It was the camel again . “Dear master ,”the camel said , “my head is quite warm now , but my neck is still cold . Do you mind 42 I keep it inside the tent ,too ? ” “No , not at all , ”the man said . But this time he felt a bit 43 , as the camel had such a long neck . Hardly had he shut his eyes when he got a harder push in his side . This time the camel said , “Will you please 44 me to bring my front legs inside and warm them up a little ?” The Arab moved over to one side of the tent .He made 45 as small as he could . It wasn’t a bit comfortable , and sleep was now 46 . After a while, the camel gave him a rough push and said , “The tent is too small for the two of us .Besides , my two hind legs are still left in the cold. 47 is only reasonable that you should leave the whole tent to me .”
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