1 . 听下面一段独白，回答以下小题。
1. What has happened to South Howe Broch?

A．It has completely disappeared.

B．It has been falling into the sea.

C．It has been protected by a sea wall.

2. Which of the following sites has been badly affected by severe weather events?

A．Midhowe Broch.

B．The Orkney Islands.

C．The University of the Highlands and Islands.

3. Which period does the Midhowe Broch belong to?

A．The Iron Age.

B．Viking rule.

C．The Middle Ages.

4. What does the passage mainly talk about?

A．Climate has greatly changed in Scotland.

B．Climate change threatens Scottish historical structures.

C．Ancient British structures remain after severe climate change.