水果店运来苹果1500千克,运来25箱橘子,每箱20千克,运来的苹果是橘子的多少倍?
1500÷(25×20)=3
— ________it is to watch Xiao Shenyang's performance!
— So it is!Everyone present will burst into laughter.[ ]
A. What a fun
B. No wonder
C. No doubt
D. What fun
《环境影响评价技术导则—大气环境》是( )年制定的。
A.1993
B.1995
C.1997
D.1999