在Excel中,删除指定区域是将该区域的数据删除掉,而单元格本身保留。 ( ) 发布时间:2018-04-07 07:46 │ 来源:www.tikuol.com 题型:判断题 问题: 在Excel中,删除指定区域是将该区域的数据删除掉,而单元格本身保留。 ( )
题型:判断题 完形填空。 Food is very important. Everyone needs to 1 well if he or she wants to have a strong body. Our mindsalso need a kind of food. This kind of food is 2 . We begin to get knowledge even when we are very young.Small children are 3 in everything around them. They learn 4 while they are watching and listening. When they are getting older, they begin to 5 story books, science books …, anything they like. When theyfind something new, they love to ask questions and 6 to find out the answers. What is the best 7 to get knowledge? If we learn 8 ourselves, we will get the most knowledge. If we are 9 getting answers from others and do not ask why, we will never learn well. When we study inthe right way, we will learn more and understand 10 . A ( )1. sleep ( )2. sport ( )3. interesting( )4. everything ( )5. lend ( )6. try ( )7. place ( )8. on ( )9. often ( )10. harder B read exercise interested something read have with with always much C drink knowledge weak nothing learn think way to usually better D eat meat better anything write wait by by sometimes well 查看答案
题型:判断题 关于容量保护电路,下列说法正确的是()A.是一次性预置保护,对额定值内的多次累积性过载有一定的效果B.对一次性预置保护及额定值内多次累积性过载保护同样有效C.受管电压、管电流二个参量联合控制D.受管电流、曝光时间二个参量联合控制E.是一次性预置保护,受管电压、管电流、曝光时间三参量联合控制 查看答案
题型:判断题 下列( )不是属于防止误操作的设计。A.将按钮或旋钮设置在凹入的底座之中B.增加操作阻力,使较小外力不起作用C.使操作手在越过此控制器时,手的运动方向与该控制器的运动方向不一致D.扳动开关要求手指在扳钮两侧有足够的空间以便捏住钮柄 查看答案
题型:判断题 化学是关于人类如何应用物质的科学.根据你对化学反应的理解,回答下列问题:(1)人类利用化学反应,可以获取生活和生产所需的______和______.另外,人类还利用化学反应消除有害物质.(2)在铁制品表面镀上一层保护膜,是为了防止和减缓铁的锈蚀;在实验室里用氯酸钾制氧气时,加热和加入二氧化锰是为了加快反应速率.虽然物质之间的化学反应极其复杂,但是人类可以根据物质的______,通过改变______来控制化学反应. 查看答案