问题
填空题
铸模喷浆的动力通常有：（）、滚筒离心力、蒸汽。
答案
参考答案：压缩空气
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铸模喷浆的动力通常有：（）、滚筒离心力、蒸汽。
参考答案：压缩空气
John was sad. Nothing could make him . "I don't want to go to school today." "Come on, sleepy head. Let's go for a ”said his mum. When they walked down the street, his mum said, "John, do you see the in Mr. Butler's garden? Would you like to sniff(嗅)them? " "，said John. "But I want to. Come with me", His mum sniffed the flowers. "Oh, these flowers me my son should(应该)be happy, and they also tell me my son should go to .” "Aha, mum, you are joking(开玩笑).How can flowers ?”laughed John. They walked on. "Perhaps we can have a dog cat cow chicken sheep ice cream," said his mum. John again. "Don't be so silly(傻的)，Mum. That sounds(听上去) . You can't have that kind of ice cream." John kept smiling from that moment. Mum felt happy now that John was happy. John thanked his mum very much to make happy. He thought his mum was great.
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