单项选择题
单项选择题 from scrapy.selector import Selector htmlText=""" <html> <body> <bookstore> <title>books</title> <book> <title>Novel</title> <title lang="eng">Harry Potter</title> <price>29.99</price> </book> <book> <title>TextBook</title> <title lang="eng">Learning XML</title> <price>39.95</price> </book> """ selector=Selector(text=htmlText) _____________________________________ for e in s: print(e) 程序结果： <selector xpath="//book/title" data="<title>Novel</title>"> <selector xpath="//book/title" data="<title lang=" eng">Harry Potter</selector></selector></bookstore></body></html></title>"> <selector xpath="//book/title" data="<title>TextBook</title>"> <selector xpath="//book/title" data="<title lang=" eng">Learning XML</selector></selector></book></bookstore></body></html></title>">A、s=selector.xpath("/book").xpath("./title")B、s=selector.xpath("//book").xpath("./title")C、s=selector.xpath("//book").xpath("/title")D、s=selector.xpath("/book").xpath("/title")
单项选择题 某社会工作机构有一个项目是针对“印象家园”小区提供亲子服务，但社区对这些社会工作者们都不是很熟悉。为了让社区居民能够了解和认识他们，社会工作者们参与到社区每到节假日自行举办的传统活动中，这主要体现了社会工作者们通过（）让社区认识自己。
单项选择题 from scrapy.selector import Selector htmlText=""" <bookstore> <book id="b1"> <title lang="english">Harry Potter</title> <price>29.99</price> </book> </bookstore> """ selector=Selector(text=htmlText) _________________________ print(s) print(s.extract()) for e in s: print(e.extract()) 程序结果： [<selector xpath="//book/title/text()" data="arry ">, <selector xpath="//book/title/text()" data="otter">] ["arry ", "otter"] arry otterA、s=selector.xpath("//book/title/text()")B、s=selector.xpath("/book/title/text()")C、s=selector.xpath("//book/title/text")D、s=selector.xpath("/book/title/text")