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【多选题】
图是一种可充电的锂离子电池充放电的工作示意图．放电时该电池的电极反应式为： 负极：Li x C 6 -xe - =C 6 +xLi + （Li x C 6 表示锂原子嵌入石墨形成的复合材料） 正极：Li 1-x MnO 2 +xLi + +x e - =LiMnO 2 （LiMnO 2 表示含锂原子的二氧化锰）下列有关说法正确的是（ ）A.
该电池的反应式为Li 1-x MnO 2 +Li x C 6 充电 放电 LiMnO 2 +C 6
B.
K与M相接时，A是阳极，发生氧化反应
C.
K与N相接时，Li + 由A极区迁移到B极区
D.
在整个充、放电过程中至少存在3种形式的能量转化
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【判断题】Square dancing can be very annoying and sometimes cause trouble because it leads to light pollution.
A.
正确
B.
错误
【简答题】监理工作的性质包括 性、 性、 性和 性。
【单选题】How did the teacher teach the students to think for themselves?
A.
She created a Thinking Environment for the students.
B.
She stated firmly that the students were intelligent.
C.
She elaborated how joyful it would be if we could think for ourselves.
D.
None of the mentioned.
【单选题】Which of the following is TRUE about Chinese square dancing?
A.
It is exclusively popular among elder women.
B.
It can be very annoying and sometimes cause trouble because it leads to light pollution.
C.
It is popular because it can help dancers harvest both health and happiness.
D.
The Chinese government has done little in response to the many complaints drawn by square dance.
【简答题】Square Dance ABC is an exciting new way to practice square dancing. Enjoy a fan, easy beginner’s square dance, with no experience needed. There are three different dances. The A, B and C dances can be...
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