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【单选题】
2 娱乐属于电视机产品的( )A.
核心产品
B.
形体产品
C.
附加产品
D.
期望产品
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W：Hello，Steve．This is Susan．I’m afraid I won't be able to attend the party． M：Do come after your meeting. Susan．Our party won't be over until mid-night． Q：Why did the woman say that she could not...
A.
She was afraid she might be kept too late.
B.
She would have something more important to do.
C.
She had to meet a friend of hers.
D.
She was not in the mood to attend the party.
【单选题】听力原文：M: Mary, will you come over for tea at three today? W: I'm sorry, I won't be able to, I'll be out of town. What will Mary do?
A.
She will be out of town.
B.
She will drink tea with the man.
C.
She will stay at home.
【简答题】下列植物有机物质中的各种化学成分的分解速率最快的是() A. 木质素 B 纤维素 C 单糖 D 半纤维素
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