R: Goodevening,Ma’am.MayIhelpyou?G: Yes,mynameisNancyGreen.I’dliketo()带盆浴的单人房。R: Haveyoumadeareservation?G:I’mafraidnot.R:Waitamoment,please.Letmesee…Yes,wehavearoomavailable.MayIhaveyour()护照tofilloutthis()入住登记表foryou?G:Certainly. Here you are.R: How will you make your payment?G: ()用现金。R: ()请在这儿签名好吗？G:Yes.Thankyou.R:Enjoyyourstaywithus.
举一反三
- Complete the following conversation. R：Good morning, sir. Welcome to the ×× hotel. May I help you?G：Yes, please. I would like to check in. I have reserve a room.R： ?G：My name is ××.
- print("r,g,b".split(","))的输出结果是( )。 A: (r,g,b) B: ("r","g","b") C: [r,g,b] D: ["r","g","b"]
- 下列反应中，哪个是表示ΔH=ΔHfA、gB、r（s）的反应？（） A: B: g（ C: q）+ D: r（ E: q）= F: g G: r（s） H: 2 I: g（s）+ J: r2=2 K: g L: r（s） M: N: g（s）+1/2 O: r2（l）= P: g Q: r（s） R: S: g（s）+1/2 T: r2（S）= U: g V: r（s）
- 设"f:R→R, f(x)"=x^2-x+2; "g:R→R," "g(x)"=x-3"," 则"f°g(x)="( )
- 设函数f:R→R，g:R→R，且有f(x)=2x+1，g(x)=x+5 ，试求复合函数f°g