题干
The computer is very useful , but it's ____ expensive for the poor man
A：a bit
B：a few
C：a lot of
D：too much
答案(点此获取答案解析）
A
The computer is very useful , but it's ____ expensive for the poor man
A：a bit
B：a few
C：a lot of
D：too much
是
角终边上异于原点的一点，则
的值是 （ ）
