题目内容
下列程序的功能是在监控台上每隔一秒钟显示一个字符串"Hello!"，能够填写在程序中下划线位置，使程序完整并能正确运行的语句是【 】public class Test implements Runnable{ public static void main(String args[]){ Test t=new Test()； Thread tt=new Thread(t)； tt．start()； } public void run(){ for(；；){ try{ ； }catch( e){} System．out．println("Hello")； } } }
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Future Kitchen In a house, the kitchen is most likely to change in the future. The refrigerator may be able to talk to the owner when some part of it wears out. So before it stops working, the refrigerator itself" may let you know that there’s a problem. In addition, your fridge will also be able to tell you what are inside it. You don’t need to stand in front of an open refrigerator and look for what you want. When you have taken out the food from your refrigerator, your table may suggest recipes based on what you put on it. How is this possible The reason is the tiny computer chips, called RFIDs. They will be put in all the equipment in your kitchen, and even in furniture. Besides refrigerator and table, other equipment in your kitchen will benefit you because of the chips. The washing machine will know how to wash plates cleaner. And you will be able to control your oven with your cell phone. You put your dinner into the oven before you leave home, and your phone will tell the oven when to start cooking, so that the meal has been ready when you get home. When you go to a grocery store, the RFIDs will also help you a lot. You put the chips in your shopping bag before leaving home, and then they wild tell you what you already have in your refrigerator. And the chips will charge your credit card, so that you don’t need to wait for a long lime before the cash desk any more. If you love all the things today’s kitchen can do for you, you’ll love what tomorrow’s kitchen will do for you. The main purpose of the passage is to ______.
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蛋白质一级结构是（）
2004年，中央政府决定在全国实行省以下土地垂直管理体制，以进一步加强国家对国土资源的宏观调控，实行最严格的耕地保护制度。( )
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