题目

(1) 按图甲组装实验器材,给直导线通电,直导线向左运动,这说明对通电导线有力的作用;只对调电源正、负极接线,通电直导线会向运动,这说明通电导体的受力方向与有关。 (2) 如图乙是某兴趣小组制作的神奇转框,框的上部中央与电池正极相连,下部紧贴在与电池负极相连的柱形物两侧,金属框就可以绕电池持续转动,据此,你认为构成柱形物的材料应具有较好的、。(填物理性质)阅读下面材料,在空白处填入一个适当的内容(不多于3个单词)或括号内单词的正确形式。 Alan: So, what do you want to do tomorrow?Emily: Well, let’s look at this city guide here. Uh, here’s something 1. (interest). Why don’t we first visit the Art Museum in the morning?Alan: Okay. I like that idea. Where shall we go 2. lunch?Emily: How about 3. (go) to an Indian restaurant? The guide recommends 4. not far from the museum.Alan: That sounds great. After that, what do you think about visiting the zoo? Well, it says there are some unique animals not 5. (find) anywhere else.Emily: Well, to tell the 6. (true), I’m not really interested in going there. Why don’t we go shopping? There are supposed to be some really nice places 7. we can pick up some bargains. Alan: Nah, I don’t think that’s a good idea. We only have a few traveler’s checks left. And I only have fifty dollars left in cash to pay.Emily: Don’t worry. We can use your credit card to pay. Alan: Oh, no. I remember the last time you 8. (use) my credit card for your new clothes.Emily: Oh well, let’s take the subway down to the seashore 9. walk along the beach. Alan: I couldn’t agree 10. . It sounds like a wonderful plan. 
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