试题要求：
Not many people realize that it is difficult to______.
试题解析：
答案：C
解析：
题干大意：并不是很多人能意识到做什么是很困难的。定位到文中第三段的第四句，“Few people realize how hard it is to do anything new.”，很少有人能认识到做一件创新的事是多么地困难。故选C。
考点：概括段落大意和补全句子,2014.4
Not many people realize that it is difficult to______.
题干大意：并不是很多人能意识到做什么是很困难的。定位到文中第三段的第四句，“Few people realize how hard it is to do anything new.”，很少有人能认识到做一件创新的事是多么地困难。故选C。