Mr Brown saw a sweater in a shop window. It was very cheap, so he bought it. When he got home, he put it on. It was all right and he was pleased with it.
In the afternoon, he went to work in his garden. It soon began to rain and Mr Brown had to run into the house. He ran quickly, but he still got wet. Then his sweater started to shrink(收缩)! It got smaller and smaller. Mr Brown tried to take it off, but he couldn't.
In the end, with the help of his wife, he got out of the sweater. Mrs Brown laughed, "You see, you bought a cheap thing, but…"
Mr Brown saw a nicein a shop window. And he bought it.
A. | jacket | B. | coat | C. | sweater | D. | shirt |
When he, he put it on.
1. |
Mr Brown got wet and he tried tothe sweater.
From the story, we know Mr Brown bought.
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下列做法符合食品安全要求的是( )
A. | 用甲醛溶液浸泡毛肚以防腐 | B. | 提炼地沟油作为餐饮用油 |
C. | 用化工原料将馒头染色 | D. | 添加小苏打焙制糕点 |
各种元素在地壳中的含量差别很大,按质量计,含量最多的元素是( )
A. | 铝 | B. | 硅 | C. | 氧 | D. | 铁 |
根据我国政府的规定,目前所有室内公共场所都禁止吸烟.烟草燃烧释放的物质中,能与血红蛋白结合而引起中毒的是( )
A. | 一氧化碳 | B. | 二氧化碳 | C. | 尼古丁 | D. | 焦油 |
2012年,我省农村中小学实施营养餐改善计划陆续启动,许多孩子告别过去一日两餐的饮食习惯,一日吃三餐,营养得到改善.某农村学校的营养早餐食谱如下:面包、鸡蛋、牛奶、火腿肠.其中富含糖类的食品是()
A. | A.面包 | B. | B.鸡蛋 | C. | C.牛奶 | D. | D.火腿肠 |
下列变化中,属于化学变化的是()
A. | 矿石粉碎 | B. | 湿衣服晾干 | C. | 石蜡熔化 | D. | 火药爆炸 |