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.
答案:D
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.
答案:D
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