函数y=log12(x2-6x+17)的值域为______

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问题:

函数y=log
1
2
(x2-6x+17)
的值域为______
考点:函数的定义域、值域对数函数的解析式及定义(定义域、值域)
题型:填空题

根据短文内容,按要求答题。

Today is August 17th. It’s my sister Mary’s ninth birthday. 73In the morning, my parents take us to Heima Clothes Store. There my mother buys a red sweater for Mary. After that we go to Huaxing Bookstore. At the bookstore, I buy some CDs for Mary. My father buys a book for her. Its name is Harry Potter. It’s Mary’s favorite book.

74In the afternoon, my parents have a party in our home for Mary. Mary’s friends Mike, Jim and Cindy come to the party. Mike brings a new pencil case to Mary. Jim gives Mary a soccer ball. My sister likes playing soccer. Cindy gives Mary an English-Chinese dictionary. At the party Mary is very happy. Oh, do you know me? I’m Mary’s brother. My name is Nick.

(一)根据短文内容简要回答下列问题。

小题1:How old is Mary?

__________________________________

小题2:Does Nick’s sister like playing soccer?

_____________________________________

(二)将短文中划线的两个句子译成汉语。

小题3:                                     

小题4:                                     

(三)请给短文拟一个适当的标题。

小题5:                                     

题型:填空题

建立社会主义市场经济,绝不意味着计划不需要了。市场经济条件下的计划应(  )

A.对资源起基础性调节作用,与市场结合

B.主要通过经济杠杆来实现

C.自觉运用价值规律,以行政命令为主

D.通过直接对企业生产经营的指挥来实现

题型:填空题

广州地区一次性分娩营养补助费是如何计算的呢?对该待遇又有何规定呢?

题型:填空题

具有抑制血小板聚集作用的药物有()

A.烟酸

B.吉非贝齐

C.氟伐他汀

D.普罗布考

E.多不饱和脂肪酸

题型:填空题

焊缝中常见的缺陷是下面哪一组?()

a.裂纹,气孔,夹渣,白点和疏松

b.未熔合,气孔,未焊透,夹渣和裂纹

c.气孔,夹渣,未焊透,折叠和缩孔

d.裂纹,未焊透,未熔合,分层和咬边

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