【正文】
一、填空題 在90后面添( )個0是90萬,添( )個0是9億?! .100000100 B.999999990 C.110000000 D.90000000 二、解決問題?! ∽钚〉木盼粩?shù)是最小的三位數(shù)的( )倍?! ”鹊钠呶粩?shù)多1的是( ?。??! ? ~4 ~9 ~9 讀兩級數(shù)時,( )的0都不讀?! 。╝) zoo. A. to B. of C. with ?。╟) bathroom. A. be B. are C. is ?。╝) house is very beautiful. ___. you. B. Sorry ?。╞)4. ___is in your new house? B. What C. How ?。╞) new room. B. have C. do (a)6. ___to our school! B. Weling C. Weles ?。╟) she