把抛物线y=3x2向右平移一个单位,则所得抛物线的解析式为[ ] A. y=3(

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问题:

把抛物线y=3x2向右平移一个单位,则所得抛物线的解析式为[ ]

A. y=3(x+1)2

B. y=3(x-1)2

C. y=3x2+1

D. y=3x2-1

考点:求二次函数的解析式及二次函数的应用平移
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Each morning during fifteen- minute bath, I determined to cultivate a big, happy smile. I found out it had to be an honest-to-goodness smile from down deep       , an outward expression of happiness from within!
Let’s see how the smile muscles       me during the day. I would think of the things I had to be       for, work up a big smile and then enter. It       people when I passed them on the street to give them a       smile. Give every living soul you meet the best smile you have       smiled in your life, and see how much better you feel and look. It’s one of the best ways to       worrying, and start living. When I began to do this, I found I became more welcome everywhere.
小题1:
A.outsideB.upwardC.insideD.forward
小题2:
A.helpedB.upsetC.satisfiedD.disappointed
小题3:
A.readyB.eagerC.thankfulD.famous
小题4:
A.greetedB.pleasedC.puzzledD.welcomed
小题5:
A.cheerfulB.forcedC.strangeD.bitter
小题6:
A.neverB.justC.alreadyD.ever
小题7:
A.keepB.stopC.hateD.protect
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公司赢得员工对企业忠诚的做法是()

A、建立和谐稳定的社会主义新型劳动关系

B、努力提高员工福利待遇

C、大力提升员工综合素质

D、建立国际一流企业

题型:选择题

女性,34岁,因原发性甲亢行甲状腺双侧次全切除术。有关术中操作,正确的是()

A.结扎切断甲状腺下动脉要靠近甲状腺背面

B.切除腺体的70%~80%

C.须保留腺体的背面部分

D.结扎切断甲状腺上动脉要远离甲状腺上极

E.止血后不必放引流

题型:选择题

氧气瓶、乙炔瓶使用时应注意哪些事项?

题型:选择题

乳衄病因病理为()。

A.肝经湿热,湿热下注

B.心火亢盛,血不归经

C.肝郁化火,迫血妄行

D.外感风寒,化热伤阴

E.以上都不是

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