题目

小王是个对物理学科很热爱的同学，每次实验课他都积极动手动脑，下面是他在学习托盘天平使用和测定物质密度的实验中遇到的问题，你知道他是怎样解决的吗？把你的答案写在指定位置。 （1） 天平使用前的调节和称量时步骤有如下几项：A．调节天平平衡螺母，使横梁平衡 B．把天平放在水平台上 C．将游码移到标尺的0刻度线处 D．将被测物体放在天平右盘，进行称量以上有错误的步骤是，正确的做法是，改正后合理的顺序是：； （2Some children wish to be writers some day. They want to write stories or books for people to read. That's good!It's good to write something for people to read!But they should know that they need to be good readers first before they are really good writers. They should read a lot of books, instead(代替) of watching TV and spending a lot of time playing games when they are free. There is more fun in reading, you want to look for more books to read. Before you decide(决定) to be a good writer, you'd better say to yourself, "I must read more and more!"1.This article mainly(主要) tells us that ________. A.some children wish to be writers some dayB.it is good to write something for people to readC.reading can be helpful for us to become a good writerD.writers like to read more books for fun2.Some children want to be writers ________. A.because they want to be good readersB.to write stories or books for people to readC.to find good work some dayD.to get more money to keep a family3.It's good for children ________. A.to do a lot of readingB.to watch TV in the eveningC.to have wishes onlyD.to be good writers right now4.Reading can ________. A.help you to be a good playerB.help you write wellC.make you work betterD.make you watch more TV at home5.From the passage we know that ________. A.all children like to be writersB.people like to read for childrenC.all writers are childrenD.children need to read more and more books