皮皮学，免费搜题
登录
搜题
【简答题】
一定量的水，从海洋蒸发变为云，山上变为雨、雪，并凝结成冰。冰、雪熔化变成水流入江河，最后流入大海，一定量的回到始态。问历经整个循环，水的热力学能和焓的变化是多少？
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】根据中文提示以及句意填空，每空填一词 小题1:Mr. Wu spent a lot of time___ ▲ ___（解释）why he was late. 小题2:A j _ high school is for students between 13 and 15 years old. 小题3:We have ___ ▲ ___（更新鲜的）air in the country than in ...
【简答题】Activity 13. Read and complet 作业 improve take care pay attention to contain It ’ s important for all people to 1____________ of their diet. A good diet can 2____________ the quality of your life. We a...
【简答题】原点(0,0)到点A(-3,4)的距离是
【单选题】听力原文：W：There is a lot of rain this year, isn't it? M：Yes. It rains too much. We have few sunny days this summer. But it's good to the crops. Q：What is the weather like? (13)
A.
It is rainy.
B.
It is sunny.
C.
It is fine.
D.
It is cloudy.
【简答题】请将下列句子进行正确的排序: 1. Unluckily, however, I am fully occupied and cannot meet you on November 13. 2. Looking forward to seeing you again. 3. Indeed, we have a lot of ideas to exchange, and I am convinced ...
【简答题】Sentences arrangement. 1. Unluckily, however, I am fully occupied and cannot meet you on November 13. 2. Looking forward to seeing you again. 3. Indeed, we have a lot of ideas to exchange, and I am co...
【简答题】一切肉眼看不见或看不清的微小生物的总称叫( )。
【单选题】在窗体上画一个名称为Label1的标签，然后编写如下事件过程： Private Sub Form_Click（） Dim arr（10, 10） As Integer Dim i As Integer, j As Integer For i = 2 To 4 For j = 2 To 4 arr（i, j） = i * j Next j Next i Label1.Caption = Str（ar...
A.
12
B.
13
C.
14
D.
15
相关题目：