皮皮学，免费搜题
登录
搜题
【单选题】
离子的迁移数是指该离子分担导电任务的分数,在如下叙述中不正确的是A.
同一种离子在不同的电解质溶液中的迁移数总相同的
B.
溶液中所有正、负离子的迁移数之和必定是 1
C.
对于只含有单一电解质所电离的正负两种离子的溶液来说，离子运动的速率愈大，其迁移数也愈大
D.
离子的迁移数不但与离子本身的淌度有关，且与共存的其他离子的淌度有关
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】, is there a restaurant in the neighborhood? [ ]
A.
Sorry
B.
Yes
C.
Excuse me
D.
Paidon me
【单选题】—Excuse me, please tell me _________. —There is a supermarket over there. You can get some there. [ ]
A.
how I can find a supermarket
B.
where the supermarket is
C.
where I can buy some fruit
【单选题】You told me there were many taxis but ______ over there.
A.
there was not one
B.
there was no one
C.
there were none
D.
was none
【单选题】, is there a restaurant in the neighborhood? [ ]
A.
Sorry
B.
Yes
C.
Excuse me
D.
Pardon me
【多选题】在我国境内提供应税劳务、转让无形资产或销售不动产是指( )
A.
所销售的不动产在境内
B.
在境外组织游客境内旅游
C.
在境内载运旅客或货物出境
D.
所提供的劳务在境内
【简答题】在我国境内提供应税劳务、转让无形资产或销售不动产的单位和个人为营业税的纳税义务人。（ ）
【单选题】某客户在年初购买了价值1.000元的股票,在持有期间所得红利为80元,年底售出股票获得1.200元, 则投资该股票的回报率为
A.
23.3%
B.
28%
C.
8%
D.
20%
【简答题】A poem You meet me or not Still there I am standing Not sad not happy You miss me or not Still there my emotions(感情) Not coming not leaving _______ _ ① __ _____ Still there my love Not less not more Y...
【单选题】-Excuse me. a hotel on Center Street? -No, there isn't.
A.
Is there
B.
There is
C.
Are there
D.
There are
相关题目：