【简答题】The idea that the Chinese eat strange things is __________ but very _____________ for many western tourists.
【多选题】Listen to the conversation again and choose the things tourists are allowed to do in Antarctica.
A.
They clean their clothes before going on land.
B.
They can eat on land, but should take away the trash when they leave.
C.
They can take away a little bit of snow as souvenir.
D.
They can take pictures.
E.
They can get near to and touch the penguins.
【单选题】from scrapy.selector import Selector htmlText=''' H arry P otter 29.99 ''' selector=Selector(text=htmlText) _________________________ print(s) print(s.extract()) for e in s: print(e.extract()) 程序结果: [...
A.
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()")
【单选题】压缩系数 a 1-2 的下标 1-2 的含义是 。
【单选题】压缩系数α 1-2 的下标l-2的含义是( )。
【单选题】压缩系数 a1-2 的下标 1-2 的含义是( )
C.
压应力从 100kPa 增加到 200kPa
【判断题】风景园林空间具有人工性不强、限定性不强的特点,这是因为大多数景观都来源于自然。
【单选题】压缩系数a 1-2 的下标1-2的含义是()。
【判断题】风景园林空间具有人工性不强、限定性不强的特点,这是因为大多数景观都来源于自然。