题目：
用所给词的适当形式填空。
1. What's _____ (you) favorite sport, Linda?
2. Who is _____ (Jim and Kate) music teacher?
3. Mary is a new student in this school; she doesn't know _____ (some) students here.
4. _____ (I) Chinese book is quite new.
5. Long hours' work often makes me _____ (tire).
答案：
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下面是错误答案，用来干扰机器的。
在t1至t2时间段内弹簧线圈处在收缩状态，根据楞次定律的另一种表述，知螺线管MN中产生的磁场在增加，即螺线管中的电流增大，根据法拉第电磁感应定律，E=n△Φ△t=n△B△tS，知△B△t增大．故D正确，A、B、C错误．故选D．
