【单选题】听力原文:What time will the bank open? (A) It opens at 8 A.M. (B) The door is open. (C) The bank has a large clock. (11)
【单选题】, 分解放出的热量为..............................( )
【单选题】下列物质的变化过程中,属于放热反应的是 ( )
【简答题】A.Please open the door. B.Don't open the door. C.She is not sure whether to open the door. D.She doesn't agree.
【单选题】单位质量的燃料在完全燃烧时所放出的热量称为燃料的()。
【简答题】rubber [ ˈrʌbə ] n. 橡胶;橡皮 [ pl.] 胶鞋 a. 橡胶的