题目

第Ⅱ卷 第四部分：书面部分（共两节，满分35分） 一．对话填空（满分10分） Tom: I’m (76) w_______ if it is going to be fine this afternoon. Lily: So (77) w_______? T: The sports meet! It’s (78) f________ at 2:00, but the fog! You can only see a short (79) d_______. L: But don’t you see the wind is (80) b________ to lift it up? I bet it will be fine this afternoon. T: Don’t be so sure. L: You’ve heard the (81) f_________ this morning, (82) h_________ you? T: No, that’s why I am worried. L: Why not try the 24-hour telephone weather forecast (83) s_______? 如图所示，在原来不带电的金属细杆ab附近P处放置一个正点电荷，达到静电平衡后（　　）A. a端的电势比b端低B. b端的电势与d点的电势相等C. 杆内c处场强大小不等于零，c处场强方向由b指向aD. 感应电荷在杆内c处场强的方向由a指向b