题干
— Can you speak English?
— ________.
A：Yes, I can
B：Yes, I do
C：No, I don't
D：No, I can
答案(点此获取答案解析）
A
— Can you speak English?
— ________.
A：Yes, I can
B：Yes, I do
C：No, I don't
D：No, I can
， 
，－ 
，0中，无理数的个数是（ ）
