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【单选题】A close analogy to a study design is the rough sketch made by an artist before he commits his vision to canvas(画布). The broad outlines are drawn, the proper perspective achieved, and the total impact ...
A.
doing research and drawing a picture
B.
research finding and picture’’s perspective
C.
designing a research and making a quick drawing
D.
a researcher and a painter
【单选题】在搜索引擎中，site的语法作用是（）
A.
限制检索结果的来源
B.
限制检索结果的文件类型
C.
限制检索词出现的位置
D.
与空格的作用类似，连接两个检索条件，表示两个条件都必须满足
【单选题】Elephants who paint aren’t new. Paintings by Ruby, an Asian elephant who lived at the Phoenix Zoo in Arizona, sold for up to $ 5,000 in the late 1980s, said Dick George, a consultant with the zoo. "Ru...
A.
who was sold for a price as high as $ 5,000
B.
who was famous for being the first painting elephant
C.
whose paintings sold for as high as $ 5,000
D.
who started painting in the late 1980s