皮皮学，免费搜题
登录
搜题
【判断题】
因为 ,故 与 是等价无穷小量。A.
正确
B.
错误
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】When I (arrived/was arriving), the party was in full swing. Paul was dancing with Mary, and Pat and Peter were drinking champagne.
【简答题】The Labour Party was the first party in Britain that______.
【简答题】Describe in some detail the room in which the party was held?
【多选题】During the period of 1979-1997 when the Conservative Party was in office, the British goverment adopted the following policies.
A.
reducing old age pensions
B.
privatizing state-owned industries
C.
controlling the power of the trade unions
D.
emphasizing on the minimum wage and supplementing low incomes.
【多选题】变频调速过程中，为了保持磁通恒定，必须保持（）
A.
变频器输出电压不变
B.
变频器输出电流不变
C.
压频比不变
D.
U/F不变
E.
U•f不变
F.
输出功率不变
【简答题】The party was in _______ _________ when the police burst in. 晚会正进行得热火朝天的时候,警察闯了进来。
相关题目：