一物块轻轻放入盛满煤油的大烧杯中，静止后有160g煤油溢出；将其轻轻放入盛满水的大烧杯中，静止后有180g水溢出，已知煤油的密度是 0.8×10³kg/m³ ，则物块在水中静止时的状态及物块的密度分别是（   ）

     Mabel was a naughty boy and he was not good at his study. “Could do better” were usually the 1 at the bottom of his report card. His parents 2 Mabel's marks a lot. How they wished Mabel made a little progress. But whenever they got his report card, they were quite disappointed, 3 their heads.

     At the end of the term, the report card would be sent home. Mabel wished to find a safe place away from the 4 faces of his parents. One morning, when Mabel was still in bed, his mother rushed into his room, holding the report card in hand. “Well done, son. You are number one in the class. You are our 5.” She gave Mabel a big kiss. Mabel could not believe it, 6 he looked at the report card carefully.

     Very soon, Mabel found out it was Manuel's report card, not his. The teacher had made a 7. His mother had left, busying calling all the family about the 8 news. Mabel wondered what the right thing to do was. He thought for a while, whether to please his parents 9 to be an honest boy. Finally, he decided to tell his parents the 10.

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