18. The digital TV system will offer different programs.

　　He is eager to see what the new system is like.

　　He thinks it unrealistic to have 500 channels.

　　The new TV system may not provide anything better.

　　18. W: Have you heard about a new digital television system? It lets people get about 500 channels.

　　M: Yeah, but I doubt theyll have anything different from what we watch now.

　　Q: What does the man mean?

　　【答案】D

　　【解析】選項(xiàng)表明，該對(duì)話(huà)很可能是關(guān)于他對(duì)digital TV system的態(tài)度或評(píng)價(jià)，是肯定還是否定，聽(tīng)音時(shí)要注意男士的回答。對(duì)話(huà)中女士說(shuō)the new digital television system lets people get about 500 channels。男士回答道yeah, but I doubt theyll have anything different from what we watch now. 故答案為D。