第9题: [单项选择]Science Director Jeong Min-ho suggested that a ______ increase in the company’s Research and Development budget might result in more patents being developed. A. substantially B. substantial C. substance D. substantiate 参考答案:B 答案解析:本题选项中的词性各不相同,可见是一道考查词性的题目。因为要找出填入空格的适当的词性,所以不能根据句义来解这道题。此处应该填入,可以修饰名词“increase”的形容词,因此是(B)“大量的,大幅的”。