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Fill in the blanks with the words given belo w. attract engines ranking particular contains number pages links developed content What Is Google PageRank? Page Rank is what Google uses to determine the importance of a web page. It's one of many factors used to determine which _1_ appear in search results. PageRank is also sometimes referred to by the slang term"Google juice ” . PageRank was_2 _ by Google founders Larry Page and Sergey Brin at Stanford. In fact the name Page Rank is a likely play on Larry Page's name. At the time that Page and Brin met, early search_ 3_ typically linked to pages that had the highest keyword density, which meant people could game the system by repeating the same phrase over and over to _ 4_ higher search page results . Sometimes web designers would even put hidden text on pages to repeat phras es. PageRank attempts to measure a web page's importance . The idea comes from academia, where citation counts are used to find the importance of researchers and research. The more often a _ 5_ paper is cited by other papers, the more important that paper is deemed . This makes sense because people do tend to link to relevant _ 6_, and pages with more links to them are usually better resources than pages that nobody links. At the time it was developed , - it was revolutionary. PageRank doesn't stop at link popularity. It also looks at the importance of the page that _ 7_ the link. Pages with higher PageRank have more weight in "voting" with their links than pages with lower PageRank. It also looks at the_ 8_ of links on the page casting the "vote" .Pages with more links have less weight. This also make a certain amount of sense. Pages that are important are probably better authorities in leading web surfers to better sources, and pages that have more _ 9_ are likely to be less discriminating on where they're linking . PageRank is one of many factors that determines where your web page appears in search r esult _ 10_ but if all other factors are equal, PageRank could potentially have a signifi cant impact on your Google ranking s.
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【单选题】The wheels stuck in the ____.
A.
mud
B.
clay
C.
soil
D.
earth
【单选题】1( )是交流调压调速的主要形式。
A.
自耦变压器
B.
控制变压器
C.
晶闸管
D.
三极管
【单选题】以下关于电子商务用户说法错误的是:()
A.
电子商务用户可分为个人用户和企业用户
B.
个人用户一般使用浏览器、电话等接入Internet
C.
在电子商务活动中,企业不需与税务局、银行进行有关商务、业务处理
D.
企业一般建立内联、外部网和MIS对人、财、物、供、销、存、进进行科学管理
【单选题】关于电子商务,以下哪种说法是错误的?
A.
电子商务可以使用户方便地进行网上购物
B.
电子商务可以使用户方便地进行网上交易
C.
电子商务可以使用户方便地进行网上支付
D.
电子商务活动要求用户利用PC机上网完成
【单选题】关于电子商务,以下哪种说法是错误的
A.
电子商务可以使用户方便的进行网上购物
B.
电子商务可以使用户方便的进行网上交易
C.
电子商务可以使用户方便的进行网上支付
D.
电子商务活动要求用户利用PC机上网完成
【单选题】给出下列函数 ①y=x-x 3 ,②y=xsinx+cosx,③y=sinxcosx,④y=2 x +2 -x ,其中是偶函数的有(  )
A.
1个
B.
2个
C.
3个
D.
4个
【单选题】下列函数中为幂函数的个数是(  ) ① y= 1 x 3 ②y=3x 4 ③ y= x x ④ y= 3 x 2 .
A.
1
B.
2
C.
3
D.
4
【单选题】下列函数①y=-x;②y=2x+11;③y=x 2 +x+1; ;中是一次函数的有 [     ]
A.
4个
B.
3个
C.
2个
D.
1个
【多选题】进行轻型井点设计时,若其达不到降水深度的要求,则可采用( )方法。
A.
降低井点管埋设
B.
采用多级井点
C.
与集水井法结合使用
D.
改用其他合适的井点形式
【单选题】观察下列函数:y= 5 x ,y= -3 x ,y= 9 x -1,y= x 5 ,其中反比例函数有(  )
A.
1个
B.
2个
C.
3个
D.
4个
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