女性，27岁。于上午8点被运渣车撞倒碾压致伤。伤后在当地镇医院进行抗休克处理，后转往县医院继续抗休克，血压稳定后于下午17：37转送我院，期间除补晶体液外，未做任何检查及处理。入院检查：T38.1℃，P160次/分，R24次/分，BP60/20mmHg。被动体位，痛苦面容，面色苍白，表情淡漠，烦躁，四肢冷。全腹轻压痛，无肌紧张及反跳痛。会阴部有一16cm×7cm不规则撕裂伤口，深达肌层，出血不止，浸湿填塞纱布。RBC2.5×1012/L，Hg77g/L，HCT0.23l/L，WBC27.0×109/L，N68%，CO2CP19.6mmol/L。腹腔诊断性穿刺（-）。CT检查：腹腔内有散在低密度影、骨盆粉碎性骨折。
该患者是否需要剖腹探查？其手术指征是（）。
A.腹痛，休克
B.CT检查提示腹腔内有散在低密度影
C.腹腔诊断性穿刺虽为阴性，但不排除腹内脏器损伤
D.骨盆骨折可并发盆腔内脏器损伤或腹膜后血肿
E.会阴部撕裂伤出血不好解释重度失血性休克
参考答案：B
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| A library is a place to find out about anything. In it there are mostly books, but there are also pictures, papers, maps, magazines and records. Special science and art shows, story hours, films, plays and contests may also be 1 in a library. Long ago a library had only books, and other things were 2 to get. There were so 3 books that no one was 4 to take them out of the library. After the printing machine was 5 , books could be made faster and librarians got more books. To borrow a book to 6 home today, a person just 7 a library card. The person goes to the main desk to have a librarian check the book out. The librarian prints the card with the 8 by which the book must be returned. If the book is returned 9 , the person must usually pay money for having broken the 10 . Books in a library are put in a certain 11 to help people to find 12 they want. In some libraries, all books about animals might be placed together. In 13 libraries, all books 14 by the same person may be placed together. Cabinets of cards list each book and tell where it can be found. People who live in the country may have trouble going to a city library. For these people there are librarians on wheels that 15 from place to place. | ||||
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