2026-2027学年外研版英语九上 Unit 5A fine balance 2.Developing ideas

square

kilometre平方千米在该短语中，square作形容词，意为“平方”。square

metre/mile平方米/英里#1.1.11

In

2021,

about

37,500

square

kilometres

of

rainforest

were

lost.

2021年，约有37

500平方千米的雨林消失。（教材P74）

Our

factory

covers

an

area

of

five

square

kilometres.我们的工厂占地5平方千米。

The

new

classroom

is

about

50

square

metres

in

size.

这间新教室的面积大约是50平方米。#1.1.3

用法拓展square

n.

广场；正方形

The

whole

square

was

bright

when

the

sparks

were

shining

in

the

night

sky.当火花在夜空中闪耀时，整个广场都很明亮。

Please

draw

a

square

on

the

paper.请在纸上画一个正方形。#1.2.3

alarm

/əˈlɑ:m/

n.

警报raise/sound

the

alarm发出警报#1.12

When

it

catches

the

noise

of

cutting

down

trees,

it

sends

an

alarm.当它捕捉到伐木的声音时，就会发出警报。（教材P75）

A

car

alarm

went

off

in

the

middle

of

the

night.半夜里一辆汽车的警报器突然响了起来。

Neighbours

raised

the

alarm

when

they

smelled

smoke.

邻居闻到烟味便发出了警报。#1.1.2

词义拓展v.

使惊恐；使担心

The

news

about

the

earthquake

alarmed

my

family.

地

震的消息让我的家人很惊恐。#2.1.1

guard

/ɡɑ:d/

n.

警卫；门卫#13

The

forest

guards

find

the

place

and

stop

the

logging.

森林护林员找到这个地方并制止砍伐。（教材P75）armed

guards武装警卫a

security

guard保安

The

building

is

protected

by

armed

guards.大楼由武装警卫把守。#1.2.1

词义拓展

v.

守卫；保卫guard

against

sth.防止/防范/提防某事

The

dog

was

guarding

its

owner’s

luggage.狗在守护着

主人的行李。

We

need

to

guard

against

any

possible

danger

around

us.

我们需要防范周围任何可能的危险。#1.3.34

The

panda

was

chosen

because

it

is

“an

animal

that

is

beautiful,

endangered,

and

loved

by

many

people

in

the

world”.熊猫之所以被选中，是因为它是一种既美丽又濒危，且深受全世界许多人喜爱的动物。（教材P76）

endangered

/ɪnˈdeɪndʒəd/

adj.

濒危的，濒临灭绝的

danger,

dangerous,

endanger与endangered#1.1dangern.危险;威胁（in

danger处于危险中）When

in

danger,

please

keep

calm.当处于危险中时，请保持冷静。dangerousadj.危险的Tigers

are

dangerous

animals.老虎是危险的动物。endangerv.使遭危险；危及Smokingcanendangeryourhealth.吸烟会危及你的健康。endangeredadj.濒危的，濒临灭绝的He

felt

very

excited

to

see

this

kind

of

endangered

bird.看到这种濒临灭绝的鸟，他感到非常兴奋。

protection

/prəˈtekʃən/

n.

保护[不可数名词]由“protect（v.

保护，防护）+-ion（名词后缀）”构成。protection

for/of

sb./sth.对某人/某物的保护#1.1.15

Among

the

first

national

parks

in

China,

there

was

one

for

panda

protection.

在中国首批国家公园中，就有一座专门用于保护熊猫的公园。（教材P76）

This

law

provides

protection

for

endangered

animals

and

plants.

这项法律保护了濒危动植物。

Everyone

has

a

part

to

play

in

the

protection

of

the

environment.

每个人都能在环境保护中发挥作用。#1.1.3典例

用括号中所给词的适当形式填空。The

volunteers

are

working

hard

on

the

__________

of

the

environment.

（protect）protection[解析]

句意：志愿者们正在致力于环境保护。根据介词“on”和定冠词“the”可知，此处应填名词。“protect”是动词，其名词形式为“protection”。“the

protection

of

the

environment”意为“环境保护”。故填protection。6

The

Giant

Panda

National

Park

is

three

times

as

large

as

Yellowstone

National

Park

in

the

United

States.大熊猫国家公园的面积是美国黄石国家公园的三倍大。（教材P77）

倍数表达法“...times+as+形容词/副词原级+as”是英语中的一种倍数表达方式，意为“是……的……倍……”，需注意此处的times是名词复数形式，as...as中间要用形容词或副词的原级。常见的倍数表达法还有：#1.1...times+形容词/副词比较级+than...times+the

size/height/length/...of...

Jack

runs

three

times

as

fast

as

Jim.杰克跑的速度是吉

姆的三倍。The