Directions: This section is to test your ability to comprehend short passages. You will hear a recorded passage. After that you will hear five questions. Both the passage and the questions will be read twice. When you hear a question, you should complete the answer to it with a word or a short phrase ( in no more than $ words). The questions and incomplete answers are printed in your test paper. You should write your answers on the Answer Sheet.correspondingly. Now the passage will begin. What was the subject of Mr. Wells’ broadcast practical joke
He described the Earth ______ by the Mars.