雅思寫(xiě)作：小作文客觀表達(dá)方式之?dāng)?shù)據(jù)描述

　　data在某一個(gè)時(shí)間段固定不變：fixed in time

　　在一系列的時(shí)間段中轉(zhuǎn)變：changes over time

　　持續(xù)變化的data在不同情況下：

　　增加：increase/raise/rise/go up ...

　　減少：decrease/grow down/drop/fall ...

　　波動(dòng)：fluctuate/rebound/undulate/wave ...

　　穩(wěn)定：remain stable/stabilize/level off ...

　　最常用的兩種表達(dá)法：

　　動(dòng)詞 + 副詞形式(Verb + Adverb form)

　　形容詞 + 名詞形式(Adjective + Noun form)

　　1. Verb + Adverb form

　　The number of XXX

　　+increase/jump/rise/decrease/drop/fall/fluctuate...

　　+insignificantly/significantly/slightly/suddenly/rapidly/dramatically/sharply/steeply/steadily/gradually/slowly...

　　+from (第一時(shí)間) to (第二時(shí)間)/between (第一時(shí)間) and (第二時(shí)間)

　　2. Adjective + Noun form

　　There was + a

　　sudden/rapid/dramatic/significant/sharp/steep/steady/gradual/slow/slight

　　+increase/jump/rise/decrease/drop/fall/fluctuation

　　(注意：上述很多詞不可用于修飾fluctuation)

　　+in the number of XXX from (第一時(shí)間) to (第二時(shí)間)/between (第一時(shí)間) and (第二時(shí)間)