质量为200g的铝锅里装有质量为1kg的水,要把25℃的水烧开,铝锅和水共吸收多 发布时间:2017-07-29 15:00 │ 来源:www.tikuol.com 题型:问答题 问题: 质量为200g的铝锅里装有质量为1kg的水,要把25℃的水烧开,铝锅和水共吸收多少热量?[C铝=0.88×103J/(kg•℃)].
题型:问答题 完形填空。 A man is driving home on a cold rainy night. At a bus top, he sees three people waiting for a bus. The first person is 1 best friend. This friend saved (救) his life years ago. The second one is hisaunt. She's very 2 and needs to go to hospital at once. The third one is the man's girl friend. He loves her very much. The man wants to help 3 of them, but his car is very small and he can 4 only one in the car. Now he has his biggest 5 . Who's the one that he can take? ( )1. A.her ( )2. A.sick ( )3. A.one ( )4. A.bring ( )5. A.problemB.his B.healthy B.two B.take B.idea C.their C.strict C.all C.hold C.plan 查看答案
题型:问答题 根据算式填空.(1)258×4=103225.8×4=______2.58×0.4=______0.258×0.04=______(2)68×25=170068×2.5=______6.8×2.5=______0.68×2.5=______. 查看答案