单项选择题

Although television was developed for broadcasting，many important uses have been found that have nothing to do with it.（）

A．电视不仅促进了节日的播送，而且也有很多其他重要的作用。
B．尽管开发电视的初衷是为了播送节日，后来却发现电视还有很多与此毫无关系的重要用途。
C．为了播送节目电视被开发出来，相应地，很多与此有关的重要用途也被发现。
D．尽管开发电视的初衷是为了播送节目，后来却发现其实电视的重要用途都与此无关。

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When will interviews be heldFrom（）of April.

单项选择题

The languages of backward groups were regarded as underdeveloped because（）

A．their languages were difficult to understand
B．the history of their languages was not long
C．file sounds of their languages were very easy to understand
D．their languages mainly contained rough and simple sounds