Questions 27 and 28 are based on the following news. At the end of the news item, you will be given 10 seconds to answer the questions. Now, listen to the news.
Because of Israeli ______ on Hamas leaders, other cabinet members were sworn in by a video link from the West Band city of Ramallah.

A．To illustrate another effect of TV.
B．To demonstrate the importance of televised sports.
C．To explain why TV replaced radio broadcasting.
D．To provide an example of something motion pictures can’t present.

A．To explain the program to the people present.
B．To introduce the people who will participate in the program.
C．To announce the winners of the annual international awards.
D．To welcome the people, thank the dinner planners and introduce the program.