L3-U3-P1-1 Listening : Life & Conditions 1
Life & Conditions 1
There are many forms of life on Earth, including human beings.√
Life exists in a variety of conditions.√
Some forms of life live in a watery environment, like the oceans.√
Other forms of life can be found in very dry areas like deserts.
However, for any form of life to exist, conditions must be right.√
When conditions are not right, that form of life will become extinct.√
To become extinct means to die out completely.√
听选What is one form of life on Earth?-Human beings are one form of life on Earth.
听选what is must be right for life to exist? -conditions must be right for life to exist.√
填空Life exists in a variety of conditions.
填空Other forms of life can be found in very dry areas like deserts.
填空However, for any form of life to exist, conditions must be right.
排序(1) There are many forms of life on Earth, including human beings. (2)Some forms of life live in a watery environment, like the oceans.(3)Other forms of life can be found in very dry areas like deserts.(4)However, for any form of life to exist, conditions must be right.
Conditions must be right for life to exist. √
Millions of years ago there were forms of life that no longer exist.√
When conditions changed, these forms of life dead out.√
One extinction event happened about 250 million years ago. √
This was the largest extinction event of all time.√
Many forms of life became extinct.√
96%(Ninety six percent) of all life in the oceans died out.√
Most insects also became extinct. √
This event happened over a period of several million years.√
听选What happened about 250 million years ago?-One extinction event happened about 250 million years ago. Many forms of life became extinct.
听选What causes an extinction event?-The conditions that support life change.
填空This event happened over a period of several million years.
填空Millions of years ago there were forms of life that no longer exist.
填空Conditions must be right for life to exist.
The causes of this extinction event are still unknown.√
Possible causes include large volcanic eruptions and global warming.
Some scientists believe that there were several causes.√
They believe that a series of events caused the extinctions.
Scientists are working to better understand what really happened.√
听选What is one possible cause of this event?-Possible causes include large volcanic eruptions and global warming.
听选What do some scientists think caused the extinctions? -Some scientists believe that there were several causes.
填空The causes of this extinction event are still unknown.
填空They believe that a series of events caused the extinctions.
填空 Some scientists believe that there were several causes.
听说Conditions must be right for life to exist.（82）
听说Some scientists believe that there were several causes.（85）
听说This was the largest extinction event of all time.（82）
听说Life exists in a variety of conditions.（87）
听说Ninety six percent of all life in the oceans died out.（89）
听说To become extinct means to die out completely.（85）
看说Some forms of life live in a watery environment, like the oceans.（82）
看说 One extinction event happened about 250 million years ago.（90）
看说The causes of this extinction event are still unknown.（82）
看说This event happened over a period of several million years.（80）
看说
Possible causes include large volcanic eruptions and global warming.（75）看说They believe that a series of events caused the extinctions.（79）
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L3-U3-P1-2 Listening : Life & Conditions 2
Life & Conditions 2
In modern times we humans face changing conditions.√
For humans to live, we need clean air and clean water.√
Pollution is now a growing problem around the world.√
Pollution poisons the air and water that we depend on.√
Polluted air makes people sick and afraid to go outside.√
Polluted water poisons our food supply.√
As a result, we never know which foods are safe to eat.√
Human beings cannot live in a poisoned environment.√
Therefore, pollution is a major threat to our existence.
听选What is a growing problem? -Pollution is now a growing problem around the world.
听选What do humans need to live?- For humans to live, we need clean air and clean water.
填空Pollution poisons the air and water that we depend on.
填空 Polluted air makes people sick and afraid to go outside.
填空Polluted water poisons our food supply.
Humans need temperatures to be in a comfortable range.√
To be in a comfortable range means to be neither too hot nor too cold.√
With global warming, global temperatures are rising.√
As temperatures rise, the polar icecaps will melt.
As the polar icecaps melt, ocean levels will rise.
Areas of some countries will soon be under water.√
People will be forced to relocate from flooded areas.
听选With global warming, what is rising? -With global warming, global temperatures are rising.
听选As the polar icecaps melt, what will happen? -As the polar icecaps melt, ocean levels will rise.
填空Areas of some countries will soon be under water.
填空To be in a comfortable range means to be neither too hot nor too cold.
填空As temperatures rise , the polar icecaps will melt.
填空People will be forced to relocate from flooded areas.
听说Pollution is now a growing problem around the world.（91）
听说People will be forced to relocate from flooded areas.（76）
听说Pollution poisons the air and water that we depend on.（87）
As the polar icecaps melt, ocean levels will rise.
听说Areas of some countries will soon be under water.（81）
听说As temperatures rise, the polar icecaps will melt.（76）
看说As a result, we never know which foods are safe to eat.（76）
看说Humans need temperatures to be in a comfortable range.（86）
看说In modern times we humans face changing conditions.（87）
看说To be in a comfortable range means to be neither too hot nor too cold.（88）
In nature, even small changes can sometimes have large effects.√
It’s difficult to predict what’s going to happen.√
The entire ecosystem that we depend on is changing.√
Some of these changes are irreversible.√
Irreversible changes cannot be undone.√
听选What can small changes sometimes cause?-In nature, even small changes can sometimes have large effects.
听选What's happening to the world's ecosystem?-The entire ecosystem that we depend on is changing.
填空The entire ecosystem that we depend on is changing.
填空It’s difficult to predict what’s going to happen.
Let’s hope that humans are smart enough to understand how the world is changing.√
With more understanding, we can make better choices about what to do.√
We can face the challenges of pollution and global warming.√
We need to do this before it’s too late.√
This planet Earth is our only home and we need to protect it.√
听选What challenges do we need to face?-We need to face the challenges of pollution and global warming.
填空With more understanding, we can make better choices about what to do.
填空We need to do this before it’s too late.
听说It’s difficult to predict what’s going to happen.（88）
听说Some of these changes are irreversible.（86）
听说The entire ecosystem that we depend on is changing.（91）
听说We need to protect the environment that supports us.（76）
Irreversible changes cannot be undone.
看说In nature, even small changes can sometimes have large effects.（80）
看说With more understanding, we can make better choices about what to do.（90）
看说This planet Earth is our only home and we need to protect it.（77）
85
L3-U3-P1-3 Vocabulary : Forms of Life
Forms of Life
Mammals are covered by hair or fur, have a backbone and warm-blooded.√
All female mammals produce milk for their young.√
Reptiles are covered by scales and include snakes, lizards and turtles.√
Reptiles have a backbone and are cold-blooded, which means they often rely on the external sources of heat.
Birds are covered by feathers and are warm-blooded.√
Most birds can fly and many types of birds migrate great distances.√
Most insects such as ants and bees have a small, 3-part body with 3 pairs of legs.
Some insects, like mosquitoes, spread diseases that cause the deaths of many humans.
Unlike animals, plants get the energy that they need from the sun.√
Plants convert light energy, along with carbon-dioxide and water, into chemical energy.√
听选What type of animals are covered by hair or fur? -Mammals are covered by hair or fur, have a backbone and warm-blooded.
听选Snakes and lizards are what type of animal? -Reptiles are covered by scales and include snakes, lizards and turtles.
听选What warm-blooded animals are covered by feathers?-Birds are covered by feathers and are warm-blooded.
听选What type of animal are ants and bees? -Insects such as ants and bees live in well-organized
听选What type of life gets energy directly from the Sun? -Unlike animals, plants get the energy that they need from the sun.
听选What female mammals produce for their young?-All female mammals produce milk for their young.
填空Most birds can fly and many types of birds migrate great distances.
填空Some insects, like mosquitoes, spread diseases that cause the deaths of many humans.
填空 Unlike animals, plants get the energy that they need from the sun.
填空Most insects such as ants and bees have a small, 3-part body with 3 pairs of legs.
听说Most mammals live on land, but some live in the sea.（88）
听说Mammals include some of the most intelligent animals on Earth such as elephants and human beings. (85)
听说Mosquitoes cause the deaths of more humans than any other animal. (88)
听说Birds are covered by feathers and are warm-blooded.（86）
Unlike animals, plants get the energy that they need from the sun.
看说Insects don't have a backbone and most are cold-blooded.（84）
看说Most birds can fly and many types of birds migrate great distances.（79）
看说Insects such as ants and bees live in well-organized colonies.(79)
90
L3-U3-P1-4 Vocabulary : Instruments
Instruments
Scales and rulers are used to measure weight and length.
Units of weight include kilograms and pounds, and units of length include centimeters and inches.
These instruments are used to observe very large and very small objects.
Telescopes are used by astronomers, and microscopes are used by biologists and doctors.
These appliances are used in the kitchens of almost every home.√
Stoves are used to heat food, and refrigerators are used to keep foods cool or cold.
Household tools like these, are used to build and repair things.√
Hammers are used to pound in nails and screwdrivers are used to turn a screw.
听选What would you use to measure the height of your kids?-Rulers are used to measure length.
听选What is used to measure weight and length?-Scales and rulers are used to measure weight and length.
听选10 kilograms is how many pounds? -10 kilograms is about 22 pounds.
听选What would you use to cook some vegetables?-Stoves are used to heat food.
听选What is found in almost every kitchen?-These appliances are used in the kitchens of almost every home.
填空These instruments are used to observe very large and very small objects.
填空Stoves are used to heat food, and refrigerators are used to keep foods cool or cold.
填空If you need to pound in a nail , use a hammer.
听说Two inches is a little more than five centimeters.（90）
听说Scales and rulers are used to measure weight and length.（78）
听说If you need to pound in a nail, use a hammer.
听说We can use a telescope to see object that are far away. (53)
看说Telescopes are used by astronomers, and microscopes are used by biologists and doctors.（75）
看说Stoves are used to heat food, and refrigerators are used to keep foods cool or cold.（82）
看说Household tools like these, are used to build and repair things.
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L3-U3-P1-5 Dialogue : Dating Anniversary
Dating Anniversary
W: Do you know what day it is today?√
M: What do you mean?√
Is it a special day?√
W: Oh, so you don’t remember.√
M: Remember what?√
What’s so special?√
W: It’s our anniversary. √
We started dating a year ago today.√
M: Oh, really? Sorry!√
听选When did they fist started dating?- They started dating a year ago.
M: Just a minute. √
What do you think this is?√
W: Oh, it’s a necklace.√
M: Do you like it?√
W: Yes, I do.√
It’s lovely, especially the red heart. √
May I put it on?√
M: No, let me do it.√
听选What did he give her?- He gave her a necklace.
W: So you did remember.√
M: Of course I remember it. √
It’s a very special day for both of us.√
W: I have something for you too.√
M: You do?√
W: Yes, but it will have to wait until later.
M: Oh, I can’t wait. √
Tell me what it is.√
听选What did he remember？- Anniversary
听选What will have to wait until later? - She won't give him her gift until later.
听说We started dating a year ago today. （84）
Do you know what today is?
W: Can you guess what it is?√
M: Could you give me a hint?√
W: We went there six months ago.√
M: Oh, you mean Alfredos.√
W: Yes, are you excited?
You said you really like the food there.√
M: Yes, that’s true.√
I also remember their dessert, do you?√
W: Yes, but let’s not talk about that now. √
Let’s not ruin the surprise.
听选What is Alfredos? - Alfredos is an Italian restaurant.
听说It’s a very special day for both of us.(81)
听说We went there six months ago.（88）
You said you really like the food there.
看说She won't give him her gift until later.（87）
看说They aren't going to talk about the dessert.（81）
89
L3-U3-P1-6 Dialogue : Fine Dining
Fine Dining
W: That restaurant looks nice.
M: Yes, but it looks expensive.√
W: Let’s go in and look at the menu.√
W: Wow, the menu looks great, especially the fish.√
M: Yes, it looks good but look at those prices.√
听选What does she like about the menu?- She likes the food choices, especially the fish.
M: Let’s try somewhere else.√
W: Sometime it’s okay to spend a little money.√
M: Yes, but this price is a bit too high, don’t you think?√
W: Yes, they are a bit high. √
But don’t you think I’m worth it? √
Let’s enjoy ourselves.√
M: Emm, OK, if you put it that way. √
Let’s see if we can get a table.√
W: I’m glad you have your credit card.
M: I sure hope the food is good.
W: Stop worrying. √
Let’s just enjoy.√
听选How is he going to pay?- He's going to use his credit card.
填空Sometime it’s okay to spend a little money.
听说Let’s see if we can get a table.（91）
听说 Let’s go in and look at the menu. （93）
I sure hope the food is good.
听说She likes the food choices, especially the fish.（78）
看说The menu looks great, especially the fish.（90）
看说 Yes, it looks good but look at those prices. （84）
Sometime it’s okay to spend a little money.
95