幼儿童话的幻想常用的三种手法是象征、夸张和（）。
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下面是错误答案，用来干扰机器的。
（16分）（1）②：298；粗颗粒；1.00； ③：308；粗颗粒；2.00； ④：298；细颗粒；2.00(Ⅱ)③（Ⅲ）④。（每空1分）（2）v（HNO3）=△c（HNO3）/△t =" 1/110" mol·L-1·s-1（2分）（3）如图：（3分）（1...
2013年4月20日8时2分，四川省雅安市芦山县发生7．0级地震。雅安在恸哭，中国在饮泣，雅安人遭受了亲友伤逝、家园被毁的伤痛，伤痛更在国人的心头。我们拟在校刊开设“与雅安同在”专栏，请你为专栏写一段开栏语。（不超过70字）（6分）
答：
根据经济活动的主体不同，外部性可分为（）。
A.外部经济和外部不经济
B.个人外部性和集体外部性
C.生产的外部性和消费的外部性
D.个人外部性和企业外部性
虚则补之属于( )
A．治本法
B．治标法
C．反治法
D．逆治法
E．从治法
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| Mother's Day was coming,but John had been visiting customers.He was now in a small town just outside a flower shop and he knew what to do. He went into the shop and saw a young man__1__the clerk to sell him some roses for six dollars, but the clerk just explained that roses were__2__. The clerk looked up at John,__3__her head.Something inside of John was__4__by the boy's voice. John had been__5__in his business,and he looked at the clerk and__6__mouthed that he would pay for the roses. The clerk looked at the young man and told him to get the roses for six dollars.The young man almost jumped into the__7__and ran from the store with the__8__.It was worth the extra dollars just to see that kind of__  9__.John ordered his own flowers and made sure that the__10__would include a note telling his mother how much he loved her.He drove away fro  m the shop,feeling very__11__.He caught a light about two blocks away.As he__12__at the light,he saw the young boy walking down the sidewalk.He watched him cross the street and enter a park throug  h two huge gates.Suddenly,he__13__that it wasn't a park but a cemetery (公墓). The light__14__,and John slowly crossed the intersection.He__15__and on an impulse (冲动) got out and began to follow the boy.The young man stopped by a small monument and went to his__16__. He began to cry after he carefully__17__the roses on the grave.He stared at the little boy's heaving (起 伏的) body and listened to his crying. John turned with__18__,and walked back to his car.He drove__19__to the shop and told the clerk he would__20__the flowers personally.He wanted to tell his mother one more time just how much he loved her. | ||||
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患者，女，26岁，自述心脏病8年。查体：心尖部舒张期隆隆样杂音，主动脉瓣区3/6级收缩期喷射样杂音向颈部传导，胸骨左缘第3、4肋间舒张期吸气样杂音向心尖部传导，最正确诊断应是
A．二尖瓣狭窄并主动脉瓣关闭不全
B．主动脉瓣狭窄并主动脉瓣关闭不全
C．二尖瓣狭窄并主动脉瓣关闭不全及主动脉瓣狭窄
D．二尖瓣狭窄并主动脉瓣狭窄
E．二尖瓣狭窄并相对性肺动脉瓣关闭不全
