皮皮学，免费搜题
登录
搜题
【单选题】
工程热力学的研究对象主要是( )之间的能量转换。A.
太阳能和电能
B.
风能和机械能
C.
热能和机械能等其他形式的能量
D.
热能和电能
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】In the last few years, great changes _________to her, she is not the one that used to be.
A.
happened
B.
have been happened
C.
have happened
D.
were happened
【简答题】查阅文献至少8篇,了解微量元素在解决地质科学问题方面有哪些应用
【简答题】-- How are you getting on with your deskmate? -- She is the last one I want to talk to . __________ . A She has turned me in B She is always turning me off C She had said bad words be...
【单选题】In the last few years, great changes _________to her, she is not the one that used to be.
A.
happened
B.
have been happened
C.
have happened
【简答题】P57 1 2 4
相关题目：
参考解析：
知识点：
题目纠错 0
发布
