1 . 听下面一段独白，回答以下小题。
1. What is the latest exhibition about?

A．Weather.

B．Technology.

C．Geography.

2. Which floor is the new cafe on?

A．The 2nd floor.

B．The 3rd floor.

C．The 5th floor.

3. What food is the most popular among students?

A．Cakes.

B．Pancakes.

C．Sandwiches.

4. When will the science quiz be held?

A．In July.

B．In August.

C．In September.

2 . 听下面一段独白，回答以下小题。
1. What percentage of people in Britain were working from home in 2019?

A．30%.

B．25%.

C．5%.

2. What will happen by 2100 according to some forecasts?

A．Air conditioning will add 0. 5℃ to global warming.

B．The British government will have 30, 000 houses built.

C．More and more houses won’t use the heat.

3. What did Mr. Palmer say about the existing housing stock?

A．It was designed without using air conditioning.

B．It was poorly prepared to deal with rising temperatures.

C．It did harm to people’s health and productivity.

3 . 听下面一段独白，回答以下小题。
1. What issue are the scientists working on?

A．Climate change.

B．Electric vehicles.

C．Public transport.

2. Which country is the first one to provide free public transport service?

A．Luxembourg.

B．Germany.

C．The United States.

3. When did electric buses start running in Glasgow?

A．In July 2019.

B．In January 2020.

C．In March 2020.