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0.38，
更多“3.14. 第14题某机械厂装有S=315kVA变压器1台,已知基本电费电价为DFJ=10元/（kVA月）,电度电费电价为DFP=0.40元/（kWh）,高峰电价为DFF=0.45元/（kWh）,低谷…”相关的问题
第1题
第2题
根据以下材料回答第 31～35 题：
Passage OneLaura was married for 6 months. Her husband was using drugs. She didn’t want her son or her unborn baby to live that way , but she was afraid to ask her husband to leave. She left him a note instead . After reading the note, Laura’s husband waited for her to come home and then beat her and her son.
Laura had little education and she never had a good paying job. She was ashamed to ask for help from the police,courts or women’s shelters. Sometimes her husband was very nice to her. She decided to try harder so her children could have a home and a father. Laura joined a church and told a priest about her problem.
But her husband kept using drugs and hurting the family . Finally, she told her husband she loved him, but they should live apart for a while. He beat her again. The priest came over to talk to her . He asked the husband to go out for a while. Laura packed up her things and left home with her son. The next day she lost the baby. Her husband went to jail.
Laura got a lot of help from groups that help women who have been beaten . Now she is in college, has her own apartment and works on special projects at a women’s shelter. “We got out ,and it changed life for me and my child. You can do it . You can break the cycle ,”Laura said .
第 31 题 Laura felt her children shouldn’t live the old way when she was _________ .
A．pregnant
B．taking drugs
C．just out of work
D．attending university
第3题
第5题
A.曙光机械厂生产产品1和产品2，华业机械厂生产产品2和产品5
B.华业机械厂生产产品2和产品3，祥瑞机械厂只生产产品4
C.华业机械厂生产产品2和产品5，祥瑞机械厂生产产品3和产品4
D.祥瑞机械厂生产产品3和产品5，华业机械厂只生产产品
第7题
场景(一) 某网球馆建筑面积80 000 m2，筏板基础，框架剪力墙结构。基坑开挖到设计标高后，施工单位和监理单位共同对基坑进行了验槽，并对基底进行了钎探。发现有部分软弱下卧层，施工单位于是针对此问题制订了处理方案并进行了处理。
根据场景(一)，回答 14～18 问题：
第 14 题 基坑验槽主要以施工经验观察为主，而对于基底以下的土层不可见部位，要先辅以（）配合共同完成。
第8题
(西安电子科技大学2009年考研试题)如图14—31所示电路，N0为无源电路，若电路的某响应为
。试绘出电路可能的结构，求出元件参数和激励源函数。
