some cities in west china are less developed and they __of __of talentsa in need,a numberb are in need,a numberc are in need,the numberd be in need,a number
问题描述：
some cities in west china are less developed and they __of __of talents
a in need,a number
b are in need,a number
c are in need,the number
d be in need,a number
答
b.
解释：首先有and,则说明是并列句，所以选择有动词的，bc中选；其次从句子意思来看是指需要大量有天赋的人，而 the number of 是指...的数量。而 a number of 指大量，所以选择b.
答
b
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答
some cities in west china are less developed and they __of __of talentsa in need,a numberb are in need,a numberc are in need,the numberd be in need,a number选项是b.