下列措施中不能有效避免铸件出现毛刺的是() A.按照要求加温铸圈 B.用真空包埋机进

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问题:

下列措施中不能有效避免铸件出现毛刺的是()

A.按照要求加温铸圈

B.用真空包埋机进行包埋

C.使包埋材料与铸模材料的膨胀率一致

D.包埋前仔细去除铸模上多余的蜡

E.避免铸圈反复多次焙烧

考点:山东住院医师口腔颌面外科口腔颌面外科专业理论口腔颌面外科专业理论题库
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启动省级突发事件应急预案的部门是()
按照分类指导、快速反应的要求,制定全国突发事件应急预案的部门是()

A.国务院

B.卫生部

C.省级人民政府

D.省级卫生行政部门

E.县级人民政府

题型:单项选择题

按PAF分类,质量成本的构成可以分为()、()、()和()。

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(22分)社会生活的变迁与经济社会发展密切相关。阅读下列材料,回答问题。

材料一1831年,英国出版的《机器的成绩》写道:两个世纪以前一千人当中没有一个人穿袜子。现在,一千个人当中没有一个人不穿袜子。

19世纪中期的一位英国记者报道:“准时准点成了现代生活的准则,人们开始要随身带上一块表,时间概念是一个全新的概念。”

材料二今物质修明,尤尚机器,辫发长垂,行动摇舞,误缠机器,可以立死。……辫发与机器,不相容者也。且兵争之世,执戈跨马,辫尤不便,其势不能不去之。……且垂辫既易污衣,而蓄发尤增多垢,衣污则观瞻不美,沐难则卫生非宜,梳刮则费时甚多。

——摘自康有为《请断发易服改元折》(1898年)

材料三1978年,中国人民迎来了改革开放的春天。从此,国门向世界敞开,五色斑斓的外国服饰涌入中国市场。思想上的拔乱反正,经济上的恢复发展导致服装行业的极大繁荣。中国城镇民众的穿着发生了根本的变化,在思想解放与国民经济发展的前提下,人们追求新异的审美心理日趋成熟。风格多样、色彩斑斓、求新求变,成为新时期服装流行的特点。

(1)根据材料一,19世纪中期英国人的生活面貌发生了什么变化?(2分)结合所学知识分析其与工业革命的内在联系。(4分)

(2)根据材料二,简要列出康有为主张“断发”理由。(4分,不得摘抄原文)结合所学知识,回答近代中国是哪一政府正式颁令革除结辫陋习的?(2分)

(3)根据材料三,指出l978年后中国民众着装的主要特点。(2分)并结合材料和所学知识,概括指出促成这一特点的社会因素。(6分)

(4)综合以上材料,请就社会生活的变迁与经济社会发展的关系提出你的看法。(2分)

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I was doing some last-minute Christmas shopping in a toy store. A nicely dressed little girl was looking through the teddy bears beside her father     38   she saw a little boy walk in and stop in front of the Pokémon toys. His jacket was obviously too small. He had money in his hand.     39  , it looked no more than five dollars at most. He was with his father as well, and     40   picking up the Pokémon video games. Each time he showed one to his father, his father      41  his head, “No”.
Rather    42   , the boy gave up the video games and chose a book of stickers     43  . After they walked away, the little girl ran over to the Pokémon video games. She excitedly picked up one     44  on top of the others, and hurried down toward the check-out. I picked up my purchases(购买物) and     45  the girl and her father.
Then, much to the little girl’s     46  , the little boy and his father got in line behind her and me. After the video was paid for and bagged, the little girl     47  it back to the cashier(收银员) and     48   something to her. The cashier smiled and put the     49 under the counter(柜台). I was putting things in my bag when the little boy came up to the cashier. The cashier said, “Congratulations. You’re my hundredth customer today, and you win a prize!” and she handed the boy the Pokémon game. The boy could only    50  in disbelief. It was, he said, exactly what he had wanted! The little girl and her father had been standing at the doorway, and I saw the biggest and prettiest smile on that little girl I have ever seen in my life.
I suddenly understood that the world is not     51  into the strong who care and the     52  who are cared for. We must each in turn care and be cared.
小题1:
A.whileB.when C.after D.once
小题2:
A.Then B.Therefore C.However D.Otherwise
小题3:
A.stopped B.continued C.avoided D.kept
小题4:
A.shook B.nodded C.moved D.held
小题5:
A.upsetB.disappointed C.angry D.anxious
小题6:
A.also B.instead C.lastly D.indeed
小题7:
A.layingB.lying C.to lieD.lain
小题8:
A.walked B.helpedC.kept D.followed
小题9:
A.surprise B.disappointment C.joy D.sadness
小题10:
A.putB.handedC.sent D.carried
小题11:
A.whispered B.shouted C.gave D.showed
小题12:
A.basket B.bag C.bear D.gift
小题13:
A.cry B.look C.jump D.pay
小题14:
A.divided B.changed C.destroyed D.cut
小题15:
A.poor B.ugly C.unhappy D.weak
题型:单项选择题

“十一五”时期,东北地区第三产业比重提高( )。

A.2%

B.5%

C.3%

D.8%

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