2022届智慧上进考前冲刺精品押题卷预测卷XGK(B)英语(三)3答案

2022届智慧上进考前冲刺精品押题卷预测卷XGK(B)英语(三)3答案，目前答案易对网已经整理了2022届智慧上进考前冲刺精品押题卷预测卷XGK(B)英语(三)3答案的各科答案和试卷，更多联考试卷请关注本网站。

8.AC由右手定则知MN棒中产生的感应电动势相当于两电源串联，总电动势E=Bw一，MN棒相当于电源，外电路电阻为一R,因此MN两端的电压等于3E=专B广，选项A正确：通过圆环的电流和M,N两端的电压不变，故圆环消耗的电功率是不变的，选项B错误；根据闭合电路的欧姆定律得总电流I=2B一3R,圆环中电流的大小为总电流的一半，所以为茶，选项C正确，MN旋转一周的时间1=二，因此电路中产生的热量W=E1=4rB一，选项D错误3R

书面表达One possible version:Recently.the first Environmental Protection Creative Design Competition tookplace in our school.The aim of the competition was to generate interest in creativedesign and raise awareness of environmental protection.A total of 100 entries were submitted,and 17 of them were short-listed for thefinal prizes.There were necklaces made of colored paper,small decorations made ofWaste materials and storage boxes made of old cardboard.The "China Tower"createdby a senior student with used plastic tubes took the top prize.The contest has produced enthusiastic responses from students,many of whomsay the event has not only improved their ability to innovate,but also has furtheredtheir understanding of environmental protection.