题干
Since we have________life’s necessities, we don’t need to buy any.
A：plenty of
B：a great deal of
C：a large amount of
D：a piece of
答案(点此获取答案解析）
A
A：plenty of
B：a great deal of
C：a large amount of
D：a piece of
满足
，则
的整数部分是 （ ）