Unit 5 A delicate world
1．drama n．戏剧，戏剧艺术→dramatic adj.巨大的；引人注目的；给人印象深刻的→dramatically adv.显著地；戏剧性地
2．subquent adj.随后的；后来的→subquence n．随后发生的事，后果→subquently adv.后来，随后
3．multiply v．(使)大大增加，(使)倍增→multiplication n．乘；增加
4．explode v．突然增加；爆炸；突然发生→explosion n．爆炸；猛增
5．ecology n．生态；生态学→ecological adj.生态的；生态学的
6．compare v．比较；对比；比作→comparison n．比较
7scarf的复数．apparent adj.显而易见的；明白的；清楚的→apparently adv.据说；看来，似乎
8．vary v．(形状等)不同；改变→various adj.各种各样的→variety n．多样性；多变性→variation n．差异；变化
9．cure adj.稳固的，可靠的→curity n．安全
10．greet v．打招呼→greeting n．问候，招呼
1．trap n．(捕捉动物的)陷阱，罗网九九乘法口诀，夹子；圈套；诡计
v．使落入险境；使陷入困境
①She had t a trap for him and he had walked straight into it.
圈套
②They were trapped in the burning building. 使陷入困境
③I wondered if it was an animal caught in a trap. 陷阱
2．explode v．爆炸；爆破；爆裂；勃然(大怒)；大发(雷霆)；突然发生(危险)；突然爆发2017国家线，迸发(感情)；突然增加
①There was a huge bang as if someone had exploded a rocket outside. 爆炸
新东方网络课程②Suddenly Charles exploded with rage. 大发雷霆
③The population explodes to 40，000 during the tourist ason.
突然增加
Words and Phras
multiply v．(使)大大增加，(使)倍增；乘；(使)繁殖
(教材P50) Loo on the island, they did what rabbits do best—they multiplied rapidly a
nd began eating the native vegetation and digging holes, which caud soil erosion.
在岛上自由自在，它(兔子)们尽其所能——迅速繁殖，开始吃当地的植被并挖洞，造成水土流失。
[例1] The children are already learning to multiply and divide.
孩子们已经开始学习乘法和除法了。
[例2] Their problems have multiplied since last year.
自去年以来，他们的问题倍增。
[造句] 在实验室里繁殖这些细菌是可能的。
It is possible to multiply the bacteria in the laboratory.
[知识拓展]
multiple adj. 多种多样的
multiple choice 多项选择
multiplicity n. 多种多样
[即学即练] 单句语法填空
①The driver of the crashed car received multiple(multiply) injuries.
②We are all amazed at the multiplicity(multiply) of the nature.
in turn轮流，依次；反过来
(教材P50) This in turn led to more cats hunting the birds.
这反过来又导致更多的猫捕鸟。
[例1] The girls took it in turn to wipe down the tables after meals.
女孩子们饭后轮流擦桌子。
[例2] The students were summoned in turn to be interviewed.
学生依次被召入进行面试。
[造句] 反过来，这些也会影响你的工作效率。
This in turn will also have a negative impact on your productivity.
[知识拓展]
take turns to do sth./in(doing) sth. 轮流做某事
It's one's turn to do sth. 轮到某人做某事
take one's turn 依次，轮到某人
by turns 轮流，依次
2012年高考英语
[即学即练] 单句语法填空
①It's your turn to recite(recite) the passage.
②We take turns to make /in making dinner.
＝We make dinner by turns(turn)．
[名师点津]
(1)in turn表示“轮流；反过来”，而in return (for)则表示“作为(对……)的回报”。
(2)by turns和take turns中的turn用复数形式。
decrea v．(使)减少；(使)变小 n．减少；降低
(教材P51) But although the virus caud the rabbit population to decrea from 130，000 to around 10，000, it also meant less food for the cats.
尽管病毒导致兔子数量从13万只减少到1万只左右，但也意味着猫的食物减少了。
[例1] This species of birds is decreasing in numbers every year.
搭档英语
这种鸟的数量在逐年减少。
[例2] There has been some decrea in military spending this year.
今年的军费开支有所减少。
[造句] 人们应减少脂肪的摄入量。
People should decrea the amount of fat they eat.
[知识拓展]
(1)decrea in sth. (在某方面)降低，减少
decrea to 减少到
decrea by 减少了
(2)on the decrea 在减少
(3)increa v．& n. 雅美佳外语培训中心增加，提高
[即学即练] 单句语法填空
①A local newspaper remarks that crime is on the decrea.
永远的朋友英文
②The traffic accidents in the city decread by 30% last year.
③The population of China has incread to about 1.4 billion.
trap vt.使困住；诱捕；诱骗；坑害 n．圈套；陷阱；诡计；夹子
(教材P51) In the 1980s, traps and dogs were ud to catch the cats.
上世纪80年代，人们用陷阱和狗来捕猫。
[例1] We became trapped by the rising floodwater.
我们被上涨的洪水困住了。
大懒猫英语
[例2] We realized too late that we were caught like rats in a trap.
等我们发觉自己已成瓮中之鳖时已经太晚了。
[造句] 我不愿让他以为我是在给他设圈套。
I would hate him to think I'm trying to trap him.
[知识拓展]
(1)be/get trapped in 被困在……中
trap sb.into (doing) sth. 使某人陷入……的圈套；使上当
(2)fall into the trap of doing sth.
掉进……的陷阱
fall/walk into a trap 掉进陷阱
(3)t/lay a trap for 为……设圈套
[即学即练] 单paula句语法填空
①The shopkeeper trapped me into buying(buy) their poor quality milk.
