【简答题】某小组的同学想知道花生仁和核桃仁所含能量是否一样，他们设置了如图所示的实验装置进行探究，请根据实验回答：（注：1毫升水，每升高1℃，需要吸收4．2焦的热能） 怎样才能做到尽量减少花生仁或核桃仁在燃烧过程中能量的丢失？

【单选题】John is an American boy. His family is in China now. John likes chocolates (巧克力) very much. But his mother doesn’t give him. She doesn’t think they are good for him. But John has a very nice uncle. Th...

【单选题】小李给我巧克力

【多选题】巧克力可分为( )。

【简答题】巧克力冰淇淋

【单选题】核桃仁的功效是

【简答题】我们已及时收到了同贵公司订货的50吨核桃仁(walnutmeat)的第5630号售货合同。随函寄去带有我们会签的副本，请查收。

【单选题】“使用锤子砸核桃,核桃实现破壳,但核桃仁被砸瘪了”,属于( )模型。

【单选题】某同学测定核桃仁中的能量，三次重复实验的数值分别为．1245千焦，1242千焦，1241千焦，则该核桃仁中所含能量为

【简答题】阅读理解 A woman was at the cinema, and she was enjoying the film very much, but there was a man in the next seat, and he began looking on the floor under him. The woman was angry and whisper ed 'What are...