5. The office building is in the east of the campus. (in the south of, to the west of, in front of, behind, at the back of, )
4. They are opposite the door. (on the left / right of the room.)
3. Next to it is a bed. (In front of it, At the back of, In the middle of, To the right of )
2. Above the bed, there is a large painting of the blue sea. (On the right of the room,)
1. There is a tall shelf on the left of my room. (on the right of, in the front of, near the window, )
3. 学习并牢记下面的短语和句型
表空间顺序
in front of, in the front of, at the back of,
on the right (left)side
close to , next to, opposite, across,
inside, outside
in (to)the south / east / west / north
on one side …, on the other side(of)
常用短语和句型:
方位
2. 描述性文章的结构
(1)人物:
开头应有简明的介绍
文章的主体部分可按时间或事件的主次进行描述
结尾进行评论或谈感受
(2)地点:
要学会准确地表示方位的词或短语
描述地点的位置通常由上至下,从里到外,从左至右,从远到近。
总之,无论是描述人物,还是地点、环境,都要详略得当,重点突出。
I. 特点及常用结构
1. 描述性文章是把人物、事件、景观、地点、环境等用生动的语言,形象地描绘出来。
描述性写作
5.铜绿:Cu2(OH)2CO3 6.纯碱(碱面): Na2CO3 7.王水: HCl,HNO3 (3:1) 8.水玻璃(泡火碱) :Na2SiO3 9.小苏打:NaHCO3 10.苏打:Na2CO3 11.大苏打(海波):Na2S2O3 12.盐卤:MgCl2·6H2O 13.雌黄:As2S3 14.雄黄:As4S4 15.朱砂:HgS 16.石棉:CaO·3MgO·4SiO2 17.砒霜:As2O3 18.泻盐:MgSO4·7H2O 19.波尔多液:CuSO4+Ca(OH)2 20.钛白粉:TiO2
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