2022英语周报新目标NCC九答案

第二节One possible version:The day finally came when driving became necessary in mylife, so I had to start learning to drive. I went to a driving schooland booked 10 hours of lessons Once a week for nearly threemonths, I learned and practised driving with my teacher sittingbeside me. Slowly, I became more comfortable with driving andmade progress. I learned from those lessons that driving was a skilljust like swimming. It required time, patience and practiceI set a goal of getting my driver 's license by Christmas. Butthose 10 hours were not enough to make me a skillful and confidentdriver. Therefore, I bought more lessons. My skills improved, andI left every class with a smile on my face. However,! failed mydriving test and got frustrated. " Have a little more confidence, andtry again, my teacher said to me. I did as she had told me andpassed the test at my second attempt. Having conquered my long-held fear, I looked proud in my license photo

7.B、D设流过金属杆中的电流为l,由平衡条件得mgBIl,得1B,所以R中的电流大小/=2mg2mgBIA错。设金属杆匀速运动时的速度为v,由E=B2,E=RaI和Ra=3R,得v=6mgR,B对。mgB2LQ2m,得Q=号mgL-1mF,C错。金属杆穿△d过整个磁场过程中流过电阻R上的电量q=86RD对。

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