Unit 7 The natural world 重点短语专项练习-2026-2027学年八年级英语译林版上册
观水有术，必观其澜。
Unit 7 The natural world 重点短语专项练习
重点短语
01—16 生态系统及其作用（P93—97）
01 be home to ... 是……的栖息地／家园
home在本结构中通常不用冠词；to为介词。
例句 The lake is home to many kinds of water birds.
01－1 The forest is home ________ many animals.
02 so ... that ... 如此……以至于……
so＋形容词/副词＋that从句，表示“如此……以至于……”。注意区别表示目的的so that。
例句 The forest was so thick that we could hardly see the path.
02－1 The island is so small ________ we can walk around it in an hour.
02－2 The wetland is so ________ (importance) that the government protects it.
03 keep the balance of ... 保持……的平衡
balance在此为名词；of引出自然等对象。
例句 Some birds help keep the balance of nature by eating insects.
03－1 We should keep the balance ________ nature.
04 plenty of ... 大量……
后接可数名词复数或不可数名词，谓语看中心名词。
例句 There is plenty of space for bicycles beside the visitor centre.
04－1 There is plenty of ________ (water) in the bottle.
04－2 Plenty of birds ________ (live) near the lake.
05 on the earth's surface 在地球表面
surface前用名词所有格；the surface of the earth也正确。
例句 Water covers most of the earth's surface.
05－1 Most of the water on the ________ (earth) surface is in the ocean.
06 go on and on 持续不断
go on表示继续；go on and on强调持续很久。
例句 The line of trees seemed to go on and on.
06－1 The discussion went on and ________ until lunch.
07 get rid of ... 清除；摆脱……
get rid of后接名词、代词或doing；时态变化体现在get上。
例句 How can we get rid of these weeds without harming the other plants?
07－1 We need to get rid ________ the rubbish near the river.
08 prevent ... from doing ... 防止……做……
from为介词，后接doing；prevent sb from doing。
例句 The tall trees prevent the strong wind from damaging the house.
08－1 The rule prevents people from ________ (fish) here.
08－2 Trees can help prevent soil ________ washing away.
09 make up ... 构成；占……
部分作主语；区别整体be made up of部分。
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观水有术，必观其澜。
例句 The three islands make up most of the country's land area.
09－1 Forests make ________ nearly a third of the land area.
10 nearly a third of ... 将近……的三分之一
a third＝one third；分数作数量时注意of后名词。
例句 Nearly a third of the visitors arrive by bicycle.
10－1 A third of the water ________ (be) in this tank.
10－2 Two ________ (three) of the class joined the activity.
11 take in ... 吸收……
可指吸收气体等；代词放中间，如take it in。
例句 The roots take in water from the soil.
11－1 The plants take ________ carbon dioxide from the air.
12 keep ... clean/healthy 使……保持干净／健康
宾语后的形容词补充宾语状态，不用副词。
例句 The plants help keep the water clean.
12－1 Please keep the water ________ (clean).
12－2 Healthy plants help keep the whole area ________ (health).
12－3 We call the wetland the “kidneys” of the earth. 其中the “kidneys” of the earth是________。A. 直接宾语 B. 宾语补足语
13 millions of ... 数以百万计的……
millions of表概数；确数two million后不加s或of。
例句 Millions of birds travel across this area each year.
13－1 There are ________ (million) of pieces of plastic waste in the sea.
13－2 About two ________ (million) people visited the park last year.
14 slow down ... 使……减慢；慢下来
代词宾语放中间；slow it down。
例句 The muddy path slowed down the walkers.
14－1 Please slow ________ near the school gate.
15 play an important role in ... 在……中起重要作用
in后接名词或doing；role可数，前用an。
例句 Insects play an important role in the lives of many flowering plants.
15－1 Trees play an important role ________ keeping the air clean.
15－2 Students can play ________ important role in protecting nature.
16 make ... a better place 使……成为更好的地方
a better place为名词短语，作宾语补足语。
例句 The new trees have made the square a better place to sit in summer.
16－1 The project made the park a ________ (good) place than before.
17—33 描述自然与保护行动（P98—104）
17 quite a few ... 相当多的……
接可数名词复数；a few有一些，few几乎没有。
例句 We saw quite a few butterflies beside the stream.
17－1 Quite a few ________ (animal) live in this small forest.
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观水有术，必观其澜。
18 give ... to ... 把……给……
give sb sth＝give sth to sb；直接宾语为代词时常用后一结构。
例句 Please give the visitor maps to the group by the gate.
18－1 The guide gave ________ (we) a map of the wetland.
18－2 The guide gave us a map.（改为同义句）The guide gave a map ________ us.
19 make ... for ... 为……制作……
make sb sth＝make sth for sb；不要机械用to。
例句 We made a wooden sign for the school garden.
19－1 She made a poster ________ the eco-club.
19－2 My brother made ________ (I) a small wooden box.
19－3 They built the birds a small house.（改为同义句）They built a small house ________ the birds.
20 provide ... for ... 为……提供……
provide sth for sb＝provide sb with sth；不直接套give双宾结构。
例句 The centre provides drinking water for visitors.
20－1 This area provides food ________ the birds.
20－2 The forest provides animals ________ safe living spaces.
21 cover an area of ... 占地面积为……
cover在此表示占据；area前用an。
例句 The nature park covers an area of about six square kilometres.
21－1 The park covers an area ________ about ten square kilometres.
22 all year round 全年
相当于throughout the year；不在year后加s。
例句 The visitor centre is open all year round.
22－1 The nature centre is open all year ________.
23 for a short stay 短暂停留
stay在此为可数名词；stay作动词时不加a。
例句 Some birds stop here for a short stay before flying south.
23－1 They came to the island for a short ________.（停留）
24 in the daytime 在白天
daytime前用the；与at night的介词和冠词不同。
例句 We saw bats in the cave, although it was still the daytime.
24－1 Some animals rest in ________ daytime.
25 in order to have more space 为了有更多空间
space表示空间时通常不可数；不用more spaces替代本义。
例句 The school moved the bins in order to have more space for bicycles.
25－1 We moved the desks in order ________ (have) more space.
26 lead to ... 导致……
to为介词；lead—led；后接结果名词或doing。
例句 A long period without rain can lead to a shortage of water.
26－1 Careless actions can lead ________ serious problems.
26－2 The change ________ (lead) to less food for birds last year.
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