加载中…Grade 7(2) - Module 3 - Unit 11
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Unit 11 * Electricity
Unit 11 * Electricity
Electricity around us
lightning, pylons
On a dark night, when lightning
flashes.
On a dark night, when thunder
crashes.
What do you see?
Electricity!
When Benjamin Franklin flew a
kite,
Something in the wire gave him a
fright.
What could it be?
Electricity!
But we cannot use the
lightning.
Doing that would be too
frightening.
What do we need?
Electricity!
Boil some water, make some
steam,
It can drive a big machine.
What does it make?
Electricity!
See the pylons carrying wires,
On the arms of their tall
spires.
What do they bring?
Electricity!
Then it comes into our homes,
To plugs and lights in every
room.
What do they use?
Electricity!
The importance of
electricity
a microwave, a vacuum cleaner, a CD player,
a DVD player, a printer, a washing machine
In groups, discuss why electricity is
important. Then write a report.
-- What electrical appliances do people use
at home?
-- They use...at home.
-- What electrical appliances do people use
at school?
-- They use...at school.
-- What electrical appliances do people use
in an office?
-- They use...in an office.
Electrical appliances:
lamps, lights, air conditioners, TV sets,
electric kettles, fridges, heaters, rice cookers, irons,
microwaves, vacuum cleaners, CD players, DVD players, printers,
washing machines, computers
The importance of electricity
Today, electricity is very important.
People use it in different places.
People use...at home. People use...at
school. People use...in an office.
Air conditioners and heaters make us feel
comfortable in (season) and (season).
TV sets,...and ______ make our lives more
enjoyable.
Lights,...and ______ make our lives more
convenient.
Computers,...and ______ help us work more
efficiently.
*************************************************************************
The Airport Express
-- Some kinds of public transport in Garden
City use electricity. What are they?
-- The light rail and
trolleybuses.
-- The underground and the
Maglev.
-- Yes. The airport Express uses
electricity, too. Have you travelled on it yet?
-- No, I haven't travelled on the Airport
Express yet.
-- Yes, I have travelled on the Airport
Express. I've got some information about it.
The Airport Express
Garden City's airport is on Lucky Island.
People can travel to the airport by the Airport Express. It started
operating in 1998. The Airport Express uses electricity to operate.
Computers send information to the drivers. Electricity makes the
Airport Express fast and safe. The good thing about the Airport
Express is that the use of electricity does not cause air
pollution.
The Airport Express runs through tunnels
for eight kilometres. It runs over bridges for six kilometres. It
runs on the ground for twenty kilometres. The Airport Express has
four stations. They are different from the underground stations.
None of them are under the ground. They are all above ground. The
station buildings are mainly made of glass, stone and metal. The
stations are grey and white inside. They are modern and
comfortable.
The trains of the Airport Express are very
modern as well. There are large, soft and comfortable seats on the
trains and there is a lot of room for passengers to put their
suitcases and bags.
Public transport using
electricity
Peter and his classmates are talking about
the Airport Express. Listen and complete the students' conversation
below. Then act out the conversation with your
classmates.
-- How long is the Airport Express
line?
-- It's _______ kilometres
long.
-- How long does it take to travel from
City Square Station to the airport?
-- It takes _________ minutes.
-- How many passengers do the trains carry
on a busy day?
-- They carry about ________ passengers on
a busy day.
-- How many seats are there in each
carriage?
-- There are about _______ carriages in
each train.
-- How many seats are there in each
train?
-- There are about _______ seats in each
train.
-- How much does it cost to travel from
City Square Station to the airport for an adult?
-- It costs _____ yuan.
-- What about a child?
-- Only _____ yuan.
**********************************
words and
expressions
electricity 电，电能
lightning 闪电
pylon 电缆塔
flash （使）闪耀，闪光
thunder 雷，雷声
crash （使）发出巨响
wire 电线，导线
fright 惊吓，恐怖
frightening 引起恐惧的，使惊恐的，骇人的
carry 支撑，承载
arm 臂状物
spire 尖顶
plug （电源）插头，插座
drive 驱动，推动
importance 重要性
microwave 微波炉
vacuum cleaner 真空吸尘器
printer 打印机
electrical 电的，用电的
appliance （家用）电器，器具
air conditioner 空调机，空调设备
electric 电的，用电的，电动的，发电的
kettle （烧水用的）壶，水壶
heater 加热炉，炉子，热水器
cooker 厨灶，炉具
iron 熨斗(名)；熨烫（动）
efficiently 效率高的
a CD player 激光唱机
transport 交通工具
trolleybus 无轨电车
express 特快列车
operate 运转，工作
through 从。。。一端到另一端，贯穿，穿过
mainly 主要地，总体上，大致
as well 除。。。外；也，还
seat 座位
line 轨道，铁道，（忒路的）段，短路
carriage （火车的）客车厢
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