皮皮学，免费搜题
登录
搜题
【简答题】
根据《雅思阅读介绍》 ppt 和讲义 23 的练习,寻找以下词汇或短语的同义表达 mistaken views less likely established way difficult instantly accident half valuable areas such as 2. 识记以下词汇,掌握中文意思 curriculum fragile shrinking jealousy back v. density constant breeding regardless of fertilization refer to respond reproduce maximum criterion tolerance classification
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】当用10V直流电压输送22kW功率时,其线路电流为200A,线路损耗为400W。若经论证允许在该同一线路用220V直流电压输送相同功率的电能,则线路电流为____A,线路损耗为____W。
【单选题】There are three options to solve the problem．Frank's option is
A.
to close the Park completely．
B.
to keep it open on a much reduced scale．
C.
to go on managing it．
【简答题】什么叫电动势?