有一节油车，装满了30m3的石油，为了估算这节油车所装石油的质量，从中取出30cm3石油，称得质量是24.6g。这节油车所装石油质量是多少?
24.6t
根据所给的汉语提示，转换下列句型。
1. He is not _____ _____ to make his own decision. (改为同义句)
2. He likes to drink coffee. He doesn't like to drink water. (改为同义句)
He _____ drinking coffee to _____ water.
3. To talk problems over with someone is important. (改为同义句)
_____ important _____ talk problems over with someone.
4. Don't meet strangers. His parents told them. (连成一句)
His parents told them _____ _____ meet strangers.
5. He wants to be healthy. He needs to get enough sleep. (连成一句)
He needs to get enough sleep _____ _____ to be healthy.
1978—1999年我国改革以来城镇之间的就业结构变化
1978—1999年，国有经济单位从业人员就业年均增长率为（）。
A．0.64%
B．0.54%
C．0.46%
D．0.54%
