100厘米=( )米 27米-9米=( )米
( 1 )米 ( 18 )米
—Do you want to have supper with me?
—That sounds _______. I'm hungry now.[ ]
A. OK
B. well
C. good
D. like good
用圆规画一个周长是21.98cm的圆,圆规两脚间的距离是[ ]
A.4cm
B.6cm
C.3.5cm