My feelings about science have ____(complete) changed. More than one science teachers at my new school____ excellent and____(friend). The science____(facility) are very good with laboratories that have all the____(late) equipment. Our chemistry teacher takes us to public science lectures about four times____ term，____are always interesting, because the lecturers are famous at their area of science. In the last 20 years, seven Canadian scientists____(win) the Nobel Prize. Now____I'm becoming more and more interested in is physics and I want to study it at university. But my parents are____(astonish), as they always thought I would become an English teacher.

Jack's made few mistakes in his exam, ______?

为了测量某种液体的密度，小亮取适量这种液体的样品进行了如下实验：

（1）将天平、量筒放在____ 台面上．将盛有适量液体的烧杯放在调节好的天平左盘内，改变右盘中砝码的个数和游码的位置，使天平横梁在水平位置重新平衡，此时砝码的质量和游码在标尺上的位置如图甲所示，则烧杯及杯内的液体的总质量为____ g．

（2）将烧杯中的一部分液体倒入量筒中，如图乙所示，则量筒中液体的体积为____ cm³；再用天平测出烧杯和剩余液体的总质量为106g．

（3）根据上述实验数据计算此种液体的密度为____ kg/m³．