患者男，46岁。既往有高血压史，突然出现剧烈胸痛，呈撕裂状，累及胸骨后及上腹部，伴大汗，持续1h不缓解。体格检查：血压200/110mmHg（26.7/14.7kPa），心率90次/min，两肺（-），心脏（-）。心电图示：左室高电压，伴V4～V6ST段压低0.1mV。
患者突然出现双下肢运动障碍，意识模糊，血压140/80mmHg（18.7/10.7kPa），心率86次/min，持续1d，头部CT检查无阳性发现，可能的原因为（）
A.脑梗死
B.脑出血
C.主动脉夹层累及颈动脉和肋间动脉
D.短暂性脑缺血发作
E.心源性脑缺血
F.脑栓塞
G.低氧血症
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为实现海外募股的目标，企业改制重组时，应( )。
A．保持较高的利润总额
B．避免出现可能影响海外募股的法律障碍
C．避免同业竞争
D．突出主营业务
当城镇采用分流制排水系统时，下面哪几种污水量应计入污水管道中设计管段的设计水量( )。
A．工厂废水处理站处理后尚未达到排放水体要求的废水量
B．冲洗街道的污水量
C．渗入的地下水量
D．由上游管段来的转输流量
以下哪种形式为成先天性胰胆合流异常
A．胆、胰管交角小于30度
B．共同管长度大丁5cm
C．胆管垂直与胰管相交
D．胰管垂直与胆管相交
E．以上均不对
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| It was a beautiful day. The weather was perfect for a picnic, so when lunch time came, we set our sights on a small 1 in town. We decided to 2 up by the pond near the entrance. Then my friend Robby 3 for a hot dog stand (摊), and I decided to keep her company (陪伴). We 4 the man put together the perfect hot dog just the way Robby wanted it. 5 when she took out her money to pay him, the man 6 us. He said, "This is my freebie (免费赠品) of the day." We thanked him and 7 our friends in the park. On our way back, I was 8 by a man sitting alone nearby, 9 at us. I could tell by his appearance that he hadn't 10 for days. Another homeless person, I thought. But when Robby and I went to the garbage can to 11 away our lunch bag, I heard a 12 voice ask, "There isn't any 13 in the bag, is there?" It was the man who had been watching us. "No, I 14 it already." "Oh" was his only answer, with 15 in his voice. He was obviously 16 . Suddenly Robby said, "I'll be right back. Please wait for a minute," and ran off. I watched with 17 as she went across to the hot dog stand. Then I 18 what she was doing. She bought a hot dog and gave it to the man. "I was just passing on the 19 that someone gave to me," Robby said. That day I learned how generosity can go 20 than the person you give to. By giving, you also teach others how to give. | |||||
| ( )1. A. park ( )2. A. show ( )3. A. sought ( )4. A. watched ( )5. A. So ( )6. A. frightened ( )7. A. reminded ( )8. A. attracted ( )9. A. waving ( )10. A. drunk ( )11. A. throw ( )12. A. serious ( )13. A. trash ( )14. A. sold ( )15. A. doubt ( )16. A. hungry ( )17. A. admiration ( )18. A. recognized ( )19. A. kindness ( )20. A. wider | B. yard B. meet B. searched B. helped B. And B. amused B. invited B. pulled B. staring B. worked B. put B. low B. paper B. fell B. shame B. angry B. curiosity B. believed B. friendship B. further | C. garden C. dress C. looked C. ordered C. But C. surprised C. called C. attacked C. laughing C. exercised C. get C. sweet C. food C. ate C. pleasure C. calm C. excitement C. imagined C. peace C. deeper | D. beach D. pick D. headed D. made D. Thus D. interested D. joined D. injured D. smiling D. showered D. take D. strong D. bottles D. bought D. disappointment D. nervous D. concern D. realized D. respect D. higher | ||
绿洲农业是下列哪个地区的特征（ ）
A．西北地区
B．南方地区
C．青藏地区
D．北方地区