阅读下列材料:
材料一:墨子说,如果要使天下都富起来,丢掉贫穷;要使天下太平,丢掉混乱,就应当互爱互利、互相帮助。
材料二:墨子认为,进行战争,春季破坏老百姓种庄稼,秋季破坏了老百姓的收割……(这样一来),老百姓因饥饿、寒冷而死去的就不可胜数了。
请回答:
两则材料的思想核心是什么?
“兼爱”、“非攻”。
从第四次人口普查到第五次人口普查期间,广东省人口增长明显加快,其原因是( )
使用显微镜时,“观察”操作步骤正确的是( )
①转动粗准焦螺旋,使镜筒缓缓下降,直到物镜接近玻片标本为止;
②左眼向目镜内看,右眼睁开;
③把要观察的玻片标本放在载物台上,用压片夹夹往;
④反方向转动粗准焦螺旋,使镜筒缓缓上升;
⑤略微转动细准焦螺旋.
小数点右边第三位是____位,左边第二位是____位。
My name is Dennis. I'm a worker(工人) of a big store. I don't work in the morning. I work at night. Every morning I come home at about 6:30. I have breakfast at 7:00. After breakfast I go to bed. I get up at around 2:30. I have lunch at 2:45 and dinner at 7:40. Then I go to work at 8:30. My work starts at 9:00. I look after(照看) the store every night. I like my work very much.