内容正文:
Unit 5
A delicate world
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N课中讲练
为
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词汇习得
1.appetite n.胃口,食欲;欲望;爱好
派生appetizing ac.增进食欲的,开胃的
搭配
appetite for sth对…的欲望/渴望
loss of appetite食欲不振
stimulate one's appetite刺激某人的食欲
spoil/ruin one's appetite影响某人的食欲/倒胃口
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运用
He had such an appetite for(对…的渴望)
a top university that he studied tirelessly,which
eventually led to his loss of appetite(食欲不振).
His doctor recommended that he engage in more
physical exercise to_stimulate his appetite
他的食欲)and eat some delicious and appetizing
(appetite)food.
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2.multiply v.(使)大大增加,(使)倍增
生义繁殖;乘;乘以
运用
吸烟大大增加了患心脏病和其他疾病的危险性。
Smoking multiplies the risk of heart attacks and
other diseases
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3.decrease v.(使)变小,(使)减少
n.减少;减少的量
搭配
decrease to..减少到
decrease by..减少了…
decrease from..to..从…减少到…
on the decrease正在减少
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运用
(1)The price of wheat has decreased by 5%.
(2)This species of bird is decreasing in numbers
every year.
(3)The number of new students in our school
decreased (decrease)from 1,200 to 730,which
means the number was on the decrease(正在减少).
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4.trap n.夹子,陷阱;圈套;困境
vt.使陷入困境;困住;使陷入圈套
搭配
fall into a trap落入圈套/陷阱
be trapped in被困在…中;陷入
trap sb into(doing)sth诱使某人做某事
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运用
He was trapped in a dangerous situation(被陷
入危险的处境)after falling into a trap(落入圈套)
that someone had set for him,which was designed
to trap him into making a mistake(诱使他犯错误).
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5.owe vt.应该做;对…负有…的义务;欠(账、钱、
人情等);归功(于某事);把…归功于
搭配
owe sb sth/owe sth to sb欠某人某物
owe sth to..把某事归功于…
owe it to sb to do sth(认为)应该为某人做某事
owing to=because of=-due to-=thanks to因为,由于Unit 5
A delicate world
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遒课前自测
沙
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词句基础过关
写作词汇请根据中文意思写出英语单词。
1.dramatically ad.显著地
2.appetite n.胃口,食欲
3.multiply v.(使)大大增加
4.conservation n.保护
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5.decrease v.使变小,(使)减少
6.trap n.夹子,陷阱
7.departure n.离开
8.explode v.突然增加
9.incident n.事件
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10.owey.对…负有…的义务
11.substantial adj.大量的,多的
12.rare adj.稀有的,罕见的
l3.apparently adv.据说;看来,似乎
14.
secure adj.稳固的;安全的
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阅读词汇请写出下列单词的中文意思。
1.heritage
遗产;传统
2.chaos
大混乱;紊乱
3.habitat
栖息地
4.virus
病毒
5.collapse
倒坍;塌下
6.nutrient
养分,营养物
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7.intervention
干预