未知题型 What does the author think of America's large body of family laws governing children's welfare?A.They fail to ensure children's healthy growth.B.They fail to provide enough support for parents.C.They emphasize parents' legal responsibilities.D.They impose the care of children on parents.

单项选择题 （）外部中断 0 允许中断的 C51语句为 ______。 A. RI=1 B. TR0=1 C. IT0=1 D. EX0=1

未知题型 听力原文：W: Good morning, can I help yon?M: Yes, I'm looking for a Christmas present for my girl frienD.W: So you'd like to choose a dress here?M: But I don't know what's in now?W: How about this white dress? It's a new arrival.M: That's nicE.How much does it cost?W: $250.M: Mmm, I think that's a little expensivE.W: How about the red one? It's 20% off, now just $80.M: Great, I think I'll take this onE.(8)A.In a book storE.B.In a hotel.C.In a grocery.D.In a department storE.