皮皮学，免费搜题
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【单选题】
网络论坛营销的模式中不包括( )A.
制造“病毒”,引发爆炸性的传播
B.
网上直销,加强产品销售
C.
创意互动,制造智慧的长尾效应
D.
“招安”舆论领袖,营造二八效应
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】“I know she was in because I heard her radio, but she didn’t open the door.” “She___the bell.”
A.
may not be hearing
B.
may not have heard
C.
must not have heard
D.
must not be hearing
【单选题】听力原文：M：Susan，how are you? I heard you were sick? W：They must have confused me with somebody else. I've never felt better. Q：How does Susan feel? (2)
A.
She feels better.
B.
She feels sick.
C.
She does feel well.
D.
She feels fine.
【单选题】you must have ____ Beyonce, and she is a very famous singer who sang a song for the 77th Annual Academy.
A.
heard from
B.
heard
C.
heard on
D.
heard about
【单选题】You must have ________ Beyonce, and she is a very famous singer who sang a song for the 77th Annual Academy Awards (第77届奥斯卡金像奖颁奖典礼). [ ]
A.
heard from
B.
heard
C.
heard on
D.
heard about
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