1 . Find out some key words in Activity 2 of the book and guess what they will be talking about.

Ben Drake, an expert on air pollution, is being interviewed on the radio. He said that smog was a severe problem in the early 20th century in Britain. At that time, Britain was experiencing a boom in industry. Factories and homes used lots of coal, which created smog. He also mentioned the heavy smog in London was particularly bad and caused over 4000 deaths in 1952. Later the UK government restricted burning coal   in homes and forced factories to move away from city centers. As smog is harmful to everyone, the expert advised us to replace coal with cleaner forms of energy, use new energy-efficient vehicles and further develop green technology.

1. The expression “    1    ” originated in Britain and means a     2    of “smoke” and “fog”.
2. Smog became a severe problem in Britain because people at that time burnt lots of    3    .
3. The worst smog in British history happened in London in 1942.
4. The Great Smog of London claimed 5,000 lives.
5. Later, the UK government ordered people not to burn     4    in their homes.
    5    

2 . 听下面一段独白，回答以下小题。
1. How many parcels are expected to be delivered this year?

A．30.8 billion.

B．83 billion.

C．95.5 billion.

2. What will be done to encourage greener packaging?

A．2,000 boxes recycle stations will be built.

B．All packages will be wrapped only once.

C．New energy vehicles will be used to deliver packages.

3. What is on the list?

A．The locations of recycle stations.

B．The wrapping products.

C．The types of new energy vehicles.

3 . 听下面一段较长对话，回答以下小题。
1. How does Tim think people of his age can help with energy saving?

A．By using energy-saving lights.

B．By turning off computer screens.

C．By playing less computer games.

2. What does Tim advise people to do to save water?

A．Take a quick shower instead of a long bath.

B．Wash large quantities of clothes at a time.

C．Stop using washing machines.

3. What kind of drinks does Tim suggest buying?

A．Ones in cardboard packets.

B．Ones in plastic bottles.

C．Ones in glass bottles.

4 . 听下面一段较长对话，回答以下小题。
1. What is the relationship between the speakers?

A．Colleagues.

B．Schoolmates.

C．A couple.

2. How do laws help the environment?

A．By helping people save resources.

B．By providing information at school.

C．By making people use new resources.

3. What can people do on their own to help the environment?

A．Work at home.

B．Control the population.

C．Refuse harmful products.

4. What can people make full use of according to the man?

A．Solar and wind energy.

B．Wave and solar energy.

C．Wind and wave energy.

5 . 听下面一段较长对话，回答以下小题。
1. Why does the factories dump waste to the river?

A．To follow the trend.

B．To cut down on cost.

C．To avoid being punished.

2. What does air pollution have caused to people nearby?

A．They are sent to the hospital.

B．They have sore eyes.

C．They cough a lot these days.

3. How will the speakers react to the unlawful act?

A．They will talk with the factory director.

B．They will report it to the police.

C．They will go to buy masks.

8 . Why is the fish in danger of dying out?

A．Because of over-fishing.

B．Because of water pollution.

C．Because of a natural disaster.

10 . 听下面一段独白，回答以下小题。
1. Where did the group plan to camp?

A．On the top of Ben Nevis.

B．Beside the Tower Ridge.

C．In the Corries.

2. How was the weather when the group climbed the mountain?

A．Snowy.

B．Windy.

C．Sunny.

3. What trouble did the speaker have during the climbing?

A．He hurt his legs.

B．He slowed the group down.

C．He was too weak to reach the top.

4. What does the speaker think of the experience of climbing the mountain?

A．Challenging.

B．Disappointing.

C．Enjoyable.