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必修第三册 Unit 1 Nature in the balance
(限时：25分钟)
Ⅰ 单词拼写
一、阅读单词——知其意
1.ecosystem n.生态系统
2.overseas adj.海外的，国外的
adv.在海外，向国外
3.mammal n.哺乳动物
4.species n.种；物种
5.brochure n.小册子
6.insect n.昆虫
7.nut n.坚果
8.poverty n.贫穷，贫困；贫乏
二、核心单词——写其形
1.branch n.(政府或机构)部门；分部；
树枝；支流；分支
2.region n.地区，区域；行政区
3.policy n.政策，方针；原则
4.wildlife n.野生动植物，野生生物
5.beneath prep.在……下面，在……下方
6.impact n.影响，作用；冲撞 vi.& vt.有影响；冲击
7.resident n.居民，住户
8.protest vi.反对，抗议 vt.反对；坚持声称 n.抗议
■结合语境运用单词
9.To protect the environment，it is advocated that we recycle (循环利用) everything
recyclable in our daily life.
10.Being addicted to computers does great damage (损害) to teenagers in many ways.
11.The gold medal (奖牌) will be awarded to whoever wins the first place in the
bicycle race.
12.Follow the track (轨道) of the vehicles，otherwise you will get lost.13.The former(以前的)manager of the department had attempted to remind him of the
important appointment，but he gave up later.
14.One thing to remember is that it is the process (过程) not the end product that
matters.
三、拓展单词——通其变
1.agriculture n.农业，农学→agricultural adj.农业的
2.poison vt.污染；毒死，毒害 n.毒物，毒药→poisonous adj.有毒的
3.entire adj.完全的→entirely adv.完全地，全部地，完整地
4.harm n.& vt.伤害，损害→harmful adj.有害的；导致损害的→harmless adj.无
害的
5.long adj.长的→length n.长，长度；时间的长短；篇幅，(电影)片长→lengthen
vi.& vt.(使)变长
6.defend vt.防御；保护；保卫；为……辩护→defence n.辩护；防御，保护；防
御物；国防；防守→defensive adj.防御的；自卫的
7.economy n.经济→economic adj.经济的，经济上的；可赚钱的→economical
adj.经济的，实惠的；节俭的→economically adv.在经济上；经济地；节俭地
8.consequent adj.随之发生的→consequence n.结果，后果；重要性→consequently
adv.因此；所以
9.profit n.利润，收益；好处 vi.& vt.获益，得到好处→profitable adj.有利润的，
盈利的
10.nutrient n.营养素，营养物，养分→nutritious adj.有营养的；营养丰富的
→nutrition n.营养
■利用语境串记单词
11.An officer once told me June 8th was officially named by the UN in 2009 as
World Oceans Day.(office)(2022·全国甲卷)
12.There are various goods in the supermarket，and the prices vary from cents to
dollars.The variety attracts many customers.(various)
13.Liu Li is a new graduate from Shandong University.She applied to a big company
for a post last week.The interviewer said her application was the best among all the
applicants.(apply)
14.Only two passengers survived the air crash.When the two survivors were
interviewed，they said their survival was a wonder.(survive)15.Clone can be used to breed animal species which are endangered or extinct，and
as a consequence，we needn't be worried about animals' extinction.(extinct)
Ⅱ 短语填空
1.in turn 相应地，转而
2.break down 使分解(为)，使变化(成)；出故障
3.breathe life into 给……带来起色，注入活力
4.due to 由于，因为
5.build up 逐渐增加；扩大；建立
6.come up with 想出，想到
7.call for(公开)要求；需要
8.spring to mind 突然记起(或想到)
9.get rid of 摆脱，丢弃，扔掉
10.give rise to 使发生(或存在)；引起
11.in length 在长度上
12.sign up 报名
■根据语境选词填空
13.We were downloading learning materials when our computer broke down.
14.Let's take the responsibility to build up a low－carbon city by riding bicycles.
15.As the quality of the city's air has given rise to concerns，the residents are
forbidden to set off fireworks.
16.When discussing influential novelists，three names immediately spring to mind.
17.If you want to come up with new ideas，you need to feed your mind with good
ideas.
18.Practicing yoga is a good way for you to get rid of your stress and find some inner
peace.
Ⅲ 句式仿写
1.句型公式：while引导让步状语从句
尽管我们不能预测未来会发生什么，我们可以用决心和爱指引自己。
While we can't predict what will happen in the future，we can guide ourselves with
determination and love.
2.句型公式：倍数关系表达法
我们学校最近修建了一个新图书馆，比原来的大三倍。Our school has built a new library recently，which is three times larger than the
previous one.
3.句型公式：even though/if引导让步状语从句
即使我不把它作为我的人生职业，我依然会继续弹奏钢琴作为我的爱好。(2023·
全国乙卷)
Even though/if I will not pursue it as my life career, I will still continue playing the
piano as my hobby.
