题目

在“用天平和量筒测量盐水密度”的实验中,小宇同学步骤如下: (1)将天平放在水平桌面上,把游码移至标尺左端0刻度线处,发现指针指在分度盘的右侧,应将平衡螺母向_____调,使天平横梁平衡.(2)用天平测出空烧杯的质量为29g,在烧杯中倒入适量的盐水,测出烧杯和盐水的总质量如图甲所示,则盐水的质量是______ g;再将烧杯中的盐水全部倒入量筒中,如图乙所示,盐水的密度为___________________________kg/m3。(3)小宇用的方法测出盐水密度会_根据句子意思及首字母提示, 写出空缺处的单词 。【小题1】An accident     _________   (发生)on the road yesterday. 【小题2】He has two _____________ ( 票)  to the concert.【小题3】It’s a bad habit to _________ ( 抄袭) others’ homework.【小题4】I will be much busier next week, there will be _________(更少的) free time.【小题5】We don’t eat junk food and Lily doesn’t, e_____________.【小题6】I f_______________my Engilsh test and I was very upset. 【小题7】We go to school every day e______________ Saturday and Sunday . 【小题8】He looked for his dog e________ , but he couldn’t find it .
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