【单选题】'But they were less good at presenting those pages, which might number in the hundreds of thousands, in a useful way.' This sentence in the 3rd paragraph tells us that ______.
A.
other search engines are less convenient in use
B.
Google is the best search engine
C.
there are too many search engine
D.
all the search engines are basically the same
【简答题】A number of pages (is, are) badly torn.
【单选题】A number of pages (is, are) badly torn.
【判断题】(The Trouble with Television) The American public is not well aware of the adverse effects of television.()