一头奶牛在临产前1周发生子宫捻转，经保守治疗无效，决定施行剖腹矫正或剖腹产。打开腹腔

中华人民共和国刑法修正案(八)规定：“在道路上驾驶机动车追逐竞驶，情节恶劣的，或者在道路上醉酒驾驶机动车的，处拘役，并处罚金。”这表明

A．义务具有强制性

B．刑法是个人的根本活动准则

C．权利和义务是一致的

D．违法行为都必须承担刑事责任

转移癌的临床表现是

A．多见于老年，膝关节病变常见，疼痛与关节活动关系密切
B．好发于青壮年，发病部位多为骶髂关节、脊柱及髋、膝关节，无化脓及死骨形成
C．各年龄组均有发病，儿童多见，病变多位于腰椎，成人常有椎间盘受累，有低热、消瘦等全身症状
D．多发于女性，手足等小关节先受累，关节发病有对称性
E．多见于中老年，病变累及椎体，可侵袭椎弓根，椎间盘较少受累

Are you a man or a mouse When people ask this question they want to know (1) you think you are a (2) person or a coward. But you will never really know the answer to this question (3) you are tested in real life. Some people (4) they are brave but when they come face to face with real (5) , they act like cowards. Others think of themselves as cowards, but when they meet danger, they act like (6) .Lenny had always thought of himself as a (7) person. He got worried before examinations. He worried about his job and health. All he wanted in life was to be safe and healthy. (8) , on January 15th, 2002, a plane crashed into the Potomac River in Washington. Lenny went to the river to See what was happening. He saw a woman in the (9) water. Lenny did not feel afraid. He kept very (10) and did a very dangerous thing. He jumped into the Potomac, (11) to the woman, and kept her head (12) the water. Seventy-eight people died that day. Thanks to Lenny, it was not (13) .When you are in a very (14) situation and feel afraid, the body automatically produces a chemical in the blood. The chemical is called adrenalin. (15) adrenalin in the blood system, you actually feel per and per and are (16) to fight or run away. However, when you are absolutely terrified, the body can produce too much adrenalin. Where this (17) , the muscles become very hard and you find you (18) move at all. You are then paralyzed with fear. This is (19) when we are very frightened, we sometimes say we’re "petrified". This word comes from the Greek word "petros", which means "stone". We are (20) frightened that we become stonelike.

第（8）空应选择（）

A．So

B．Therefore

C．Then

D．Actually

胆固醇合成的关键酶是

A．柠檬酸裂解酶

B．HMGCoA合酶

C．HMGCoA裂解酶

D．HMGCOA还原酶

E．鲨烯合酶

简述棉织物防皱整理的一般工艺流程。