（1）在图1中，根据磁感线方向，标出磁体的S极； （2）电磁铁通电时，静止的小磁 发布时间：2017-06-18 00:58 │ 来源：www.tikuol.com 题型：问答题 问题： （1）在图1中，根据磁感线方向，标出磁体的S极；（2）电磁铁通电时，静止的小磁针指向如图2示，请在图中标出电磁铁的N极及电源的正极．
题型：问答题 完形填空。 I am a student in Grade Three. I began to learn English the year before last. English isn't very l to learn. But I like it very much. 2 do I study English? In the first year; I found 3 very difficult to memorize new words. At first I 4 a lot of time on them. I learned new words only 5 reading and writing them, 6 a few days later I forgot them. Later, I came to know how to do it well. I paid more attention to 7 and spelling.For example : 8 I have learned a lot of new words by heart. Every morning after I get up, I do some reading. At school I 9 to speak English with my classmates and go over 10 I have learned. Nothing is too hard if you put your heart into it.( )1. A. hard ( )2. A. Why ( )3. A. this ( )4. A. took ( )5. A. with ( )6. A. and ( )7. A. pronunciation( )8. A. By the way ( )9. A. join ( )10.A. that B. excited B. What B. it B. paid B. for B. but B. words B. In this way B. lose B. what C. easy C. Unless C. that C. spent C. as C. then C. reading C.. To begin with C． try C. which D. fast D. How D. / D. cost D. by D. however D. writing D. Later onD. realize D. when 查看答案
题型：问答题 欲选中Excel中不相邻的区域(如B列与F列)，( )的操作是正确的。A．点击B列的第一个单元格，按住鼠标左键拖至F列B．选中B列，松手，按住“Shift”键的同时，再选择F列C．选中B列，松手，按住“Ctrl”键的同时，再选择F列D．点击代表B列的坐标，再点击代表F列的坐标 查看答案
