小数点的后面添上“0”或者去掉“0”，小数的大小不变。
读句子选出正确答语。
(____) 1. Where is your home? A.Sounds good!
(____) 2. How do you get to school? B.It's on First Street.
(____) 3. See you. C.Sorry.
(____) 4. Let's play outside. D.I get to school on foot..
(____) 5. Don't cross the street. E.Bye.
