you hear the programme.
()11. What will happen when you turn on a radio? A. You can see a programme. B. You can hear a programme. C. A picture will appear in front of you. D. You can see the electric current.
()12. What can we know about radio waves? A. Nobody knows them exactly. B. People can see them. C. People can hear them. D. There is no relation (关系）between raido waves and electricity. ()13. What does the underlined phrase “magical thing” refer to? A. You can hear the programme. B. You can change the radio waves into programmes. C. The radio waves are changed into programmes. D. The radio waves start an electric current in your aerial. ()14. Which of the following is NOT true? A. Sounds themselves can travel for a long way. B. Radio waves can send sounds and music. C. Sounds from the broadcasting station can be changed into electricity. D. A loudspeaker in a radio can charge the electricity into sounds. ()15. Where can we probably read this passage? A. In a notice. B. In a science magazine. C. In a travel guide. D. In a storybook.
21版Keys:阅读理解 A 1-5 DACBB B 6-10 ACCDB C 11-15 CBDCA 22版Keys: A 1-5 BCDBB B 6-10 BCDBA C 11-15 BBCAA 23版Keys: A 1-5 AABDC B 6-10 ACBBD C 11-15 CCBCA
24版Keys: A 1-5 BADCD B 6-10 CBCBC C 11-15 BADAB
