A：①
B：①②
C：①②③
D：①②③④
There are many famous museums in the world．The Louvre Museum is in Paris．It is a great art museum．The Palace Museum is well—known．And the British Museum，the Metropolitan Museum of Art are loved by people．People want to see all the beautiful things there．
· China ·British ·USA ·France
关于一氧化碳和二氧化碳的叙述正确的是
国民革命军北伐的主要对象是军阀（ ）
①张作霖 ②袁世凯 ③孙传芳 ④吴佩孚
My school isn't far from here. It's only _____ walk.
