皮皮学，免费搜题
登录
搜题
【单选题】
二维晶体，在德拜近似下计算晶格振动对比热的贡献，低温极限比热和温度的几次方成正比？A.
二次方
B.
一次方
C.
三次方
D.
五次方
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
【单选题】给出下列命题： ①平行于同一条直线的两直线互相平行； ②垂直于同一直线的两条直线互相平行； ③平行于同一平面的两条直线互相平行． 其中真命题的个数是（ ）
A.
0
B.
1
C.
2
D.
3
【简答题】As a boy growing up in India，I had longed to travel abroad. I used to listen to the stories my father would tell me about his stay in Canada and tours to Europe in the 1970s，with great interest. My bi...
【单选题】给出以下四个命题: (1)平行于同一直线的两个平面互相平行; (2)垂直于同一直线的两个平面互相平行; (3)平行于同一平面的两条直线互相平行; (4)垂直于同一平面的两条直线互相平行. 其中真命题的个数是
A.
4
B.
3
C.
2
D.
1
【简答题】As a boy growing up in India, I had longed to travel abroad. I used to listen to the stories my father would tell me about his stay in Canada and tours to Europe in the 1970s, with great interest. My ...
【简答题】As a boy growing up in India，I had longed to travel abroad. I used to listen to the stories my father would tell me about his stay in Canada and tours to Europe in the 1970s’ with great interest. My b...
【简答题】阅读理解 As a boy growing up in India, I had longed to travel abroad.I used to listen to the stories my father would tell me about his stay in Canada and tours to Europe in the 1970s, with great interest....
相关题目：