问题
填空题
住宅中的“暖气”常用水做传输能量的介质,这是因为水的______较大.
答案
因为水的比热容较大,相同质量的水和其它物质比较,降低相同的温度,水放出的热量多,所以暖气中常用水做传输能量的介质.
故答案为:比热容.
住宅中的“暖气”常用水做传输能量的介质,这是因为水的______较大.
因为水的比热容较大,相同质量的水和其它物质比较,降低相同的温度,水放出的热量多,所以暖气中常用水做传输能量的介质.
故答案为:比热容.
阅读理解。 | |||||||||||||||
Linda and Mary are good friends. Linda is thirteen. She comes from the U.S.A. Mary is twelve. She's from London (伦敦). They study in the same school, but in different classes. Linda's father teaches English in a middle school. Her mother drives a car. Mary's mother works in an office. Her father is a doctor. Linda can speak English, French (法语) and a little Chinese. Linda's mother likes cooking. She likes eating rice. But Linda' s father doesn't. He likes drinking milk and eating bread. Mary's mother doesn't like cooking. But she likes doing some shopping. She can make nice skirts and dresses. Mary's father likes doing housework(家务). | |||||||||||||||
根据短文内容,完成下表. 1.
①_________________________________________________________________________ ②_________________________________________________________________________ ③_________________________________________________________________________ ④_________________________________________________________________________ ⑤_________________________________________________________________________ 2. Where does Mary come from? _________________________________________________________________________ 3. What does Linda's father do? _________________________________________________________________________ 4. Where does Mary's father work? _________________________________________________________________________ 5. What can Linda speak? _________________________________________________________________________ |