18.(A) The digital TV system will offer different programs.

　　(B) He is eager to see what the new system is like.

　　(C) He thinks it unrealistic to have 500 channels.

　　(D) 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 they’ll have anything different from what we watch now.

　　Q: What does the man mean?

　　【答案】D

　　【解析】選項表明，該對話很可能是關于他對digital TV system(數字電視系統)的態度或評價，是肯定還是否定，聽音時要注意男士的回答。對話中女士說the new digital television system lets people get about 500 channels(頻道)。男士回答道yeah, but I doubt they’ll have anything different from what we watch now. 故答案為D。

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