皮皮学，免费搜题
登录
搜题
【简答题】
Mr. Lewis was a dance teacher. He was a nice man and always had a lot of students. One year he moved to a new town, and was soon teaching many students in the dance school there, but he decided to move again to a big city. He would have more work there. When one of his students heard that he was going to leave, she said to him, ---- The teacher won’t be as good as you are. Mr. Lewis was happy when he heard this, but he said, -----Oh no. I’m sure he’ll be as good as I am----or even better. The student said ,-----No. Five teachers have come and gone while I’ve been here, and each new one was worse than the last.
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】计算混凝土强度换算值时，应按下列排列的先后顺序选择测强曲线（ ） 。
A.
专用曲线、统一曲线、地区曲线
B.
统一曲线、地区曲线、专用曲线
C.
地区曲线、专用曲线、统一曲线
D.
专用曲线、地区曲线、统一曲线
【简答题】为了使直流电机正负电刷间感应电动势最大,只考虑励磁磁场时,电刷应放置在 ( )。
【简答题】为了使直流电机正负电刷间的感应电动势最大,只考虑励磁磁场时,电刷应放置在 ____________________ 。
【简答题】为了使直流电机正、负电刷间的感应电动势最大,只考虑励磁磁场时,电刷应放置在_______。
【多选题】级差地租产生的条件是:
A.
土地经营的垄断权
B.
土地的肥沃程度不同
C.
土地的地理位置不同
D.
农产品的社会生产价格与个别生产价格的差别
E.
农业资本有机构成低于社会平均资本的有机构成
【简答题】为了使直流电机正、负电刷间的感应电动势最大, 只考虑 励磁磁场时,电刷应放置在() 。
【简答题】为了使直流电机正、负电刷间的感应电动势最大, 只考虑励磁磁场时,电刷应放置在__ 。