1、Warm Up
Answer the questions
A long time with no rain has dried
this reservoir in Texas,U.S.A.
1. Do you drink a lot of water?
Answers will vary.
2. How many different ways do you usewater every day? Make a list.
(Drinking, cooking, washing, brushingteeth, using the toilet, cleaning, etc.
3. How many liters (or gallons) of water doyou use each day?
Answers will vary.'
2、Listening
B. Listening for details
Most plastic bottles finish up in the trash-or in the
water, like in this lake in Romania.
a. There are often ( fewer / more )unhealthy chemicals in bottled waterthan in tap water. These chemicals
come from the plastic
in the bottles.
b. Most bottled wateris ( cleaner than
the same as/) tap water. Both tap
and bottled water come from rivers and
(lakes) .
c. Bottled water is (
expensive than tap water. It costs
almost suth
(1 ,000) times more.
d. Putting water in bottles( saves /
wastes a lot of water. W ater is used to
clean
the bottles.
e.( 18 / 80) percent of plastic bottles
go into the trash. This is very bad
for our planet.Listening
B. Listening for details
Most plastic bottles finish up in the trash-or in the
water, like in this lake in Romania.
a. There are often ( fewer / more )unhealthy chemicals in bottled waterthan in tap water. These chemicals
come from the plastic
in the bottles.
b. Most bottled wateris ( cleaner than
the same as/) tap water. Both tap
and bottled water come from rivers and
(lakes) .
c. Bottled water is (
expensive than tap water. It costs
almost suth
(1 ,000) times more.
d. Putting water in bottles( saves /
wastes a lot of water. W ater is used to
clean
the bottles.
e.( 18 / 80) percent of plastic bottles
go into the trash. This is very bad
for our planet.
3、beef 1
hidden
kilogram
liter 1
raise
1. In English, we use different words forthe meat of animals, for example, themeat of a pig is pork, and the meatof acow is beef
2. If we hide something, we put it
somewhere so that it cannot be seen. So,
something that is hidden
is not
easily noticed.
3. A kilogram is a metric unit of weightand is equal to 2.2 pounds.
4. One gallon is about 3.8 liters
iI
America.
5. Farmers raise
sheep for meat,
skins, and wool.beef 1
hidden
kilogram
liter 1
raise
1. In English, we use different words forthe meat of animals, for example, themeat of a pig is pork, and the meatof acow is beef
2. If we hide something, we put it
somewhere so that it cannot be seen. So,
something that is hidden
is not
easily noticed.
3. A kilogram is a metric unit of weightand is equal to 2.2 pounds.
4. One gallon is about 3.8 liters
iI
America.
5. Farmers raise
sheep for meat,
skins, and wool.
4、Listening 1
C. Listening comprehension 2
Exercise 2: Listening for details 1Directions:
Listen to the recording. Put the items in orderfrom 1 (uses the most water) to 3 (uses the leastwater).
A kilogram of:
One ...
beef
2
apple
1
chocolate
1
rice
3
2
Directions:
below.
To get
Water needed
a kilogram of
24,000 liters
chocolate
a kilogram of beef
14000 liters
a kilogram of rice !
3400 liters
a hamburger
1279 liters
an apple
70 liters
a slice of bread
40 litersListening 1
C. Listening comprehension 2
Exercise 2: Listening for details 1Directions:
Listen to the recording. Put the items in orderfrom 1 (uses the most water) to 3 (uses the leastwater).
A kilogram of:
One ...
beef
2
apple
1
chocolate
1
rice
3
2
Directions:
below.
To get
Water needed
a kilogram of
24,000 liters
chocolate
a kilogram of beef
14000 liters
a kilogram of rice !
3400 liters
a hamburger
1279 liters
an apple
70 liters
a slice of bread
40 liters
5、B. Listening for details
Listen to the recording again. Read the threefacts below. Does the woman know each fact oris surprised by it? Check knows or is surprised
knows /
Facts
surprised
a. Brazil grows the mostcoffee in the world.
surprised
b. People first drank coffee
knowsy
in Arabia.
surprised
c. To get one cup of coffee,you need 147 liters of
surprised
water.
Directions:
Listen to the recording for a third time. ThenB. Listening for details
Listen to the recording again. Read the threefacts below. Does the woman know each fact oris surprised by it? Check knows or is surprised
knows /
Facts
surprised
a. Brazil grows the mostcoffee in the world.
surprised
b. People first drank coffee
knowsy
in Arabia.
surprised
c. To get one cup of coffee,you need 147 liters of
surprised
water.
Directions:
Listen to the recording for a third time. Then
6、While You Watch
c. Watch the video again
(ItLeturns to the sky.)
2. What do we use fresh water for?drink
(We use it for drinking, cooking,washing, and growing plants, etc.)3. What is one of our most urgentchallenges?
(Protecting our water.)While You Watch
c. Watch the video again
(ItLeturns to the sky.)
2. What do we use fresh water for?drink
(We use it for drinking, cooking,washing, and growing plants, etc.)3. What is one of our most urgentchallenges?
(Protecting our water.)
