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施工项目成本管理的基本原则是什么 2．成本预测的作用是什么 3．成本管理全过程最重要的环节是什么 4．对施工项目成本分析主要是分析什么
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A3型题28岁，阴道大出血3小时急诊入院。体检：血压：80/50mmHg，阴道大量活动性出血，可见烂肉样物，子宫如6周妊娠大小，软，双附件区未触及肿物。 正确的首选处理方案是（）
Driving cars, trucks and motorcycles is an important part of our lives. We do it every day to get to work, to school or to friends’ houses. Driving can be very convenient, but can also cause many problems. Waiting in line at a red light, a driver may get impatient and decide just to drive fight through it. If another car is coming from the other direction, there might be a terrible accident. Cutting another car off can make its driver angry, so that driver cuts off someone else. Pretty soon everybody is angry, and impatient. Traffic accidents declare millions of lives every year worldwide. In Taiwan alone, over seven people are killed in accidents every day. The annual death rate (年死亡率) from traffic accidents in Taiwan is twice that of Japan. To allow traffic to move smoothly and safely, everybody must follow the rules. Before you drive, learn all the traffic laws. That way of driving is safe, convenient and even fun! The sentence "Traffic accidents declare millions of lives" means"______".
试分析人教版高一历史必修1第13课《辛亥革命》在教材中的地位和作用。
3. 男，60岁，2周来上腹隐痛，食欲不振，消瘦，乏力，全身黄染，尿色深。查体：皮肤黄染，有抓痕，腹平软，右上腹可触及包块，边缘不清，有压痛。尿胆红素（+++），钡餐示胃排空延迟，十二指肠曲扩大。初步诊断为胰头癌。 （2） 该病影像学检查首选：（）
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