阅读理解，判断正(T)误(F)。
Look! This is my room. There is a big bed in it. Under the bed there is a basketball. On the wall there is a
kite. This is my desk. There are many books on it. Near the desk, there is a closet. I put my beautiful clothes in
it. What's behind the door? Oh, it's Mimi, my naught cat. I like it very much.
( ) 1. There is a small bed in my room.
( ) 2. Under the bed there is a cat.
( ) 3. The closet is in front of the desk.
( ) 4. I have a kite in my room.
( ) 5. I like my cat.
的实木材料制成木模，木模的质量为1.8kg．再
的合金铸造30个这样的工件，这些合金的总质量为648kg，则木模与合金材料密度之比为( )
