请问您要点什么?请问您想买什么? A: WhatcanIdoforyou? B: MayIhelpyou? C: CanIhelpyou?
请问您要点什么?请问您想买什么? A: WhatcanIdoforyou? B: MayIhelpyou? C: CanIhelpyou?
用英文表达“帮助别人的意思”（）。 A: MayIhelpyou？ B: Whereareyou？ C: Canyouhelp me？ D: 以上都对
用英文表达“帮助别人的意思”（）。 A: MayIhelpyou？ B: Whereareyou？ C: Canyouhelp me？ D: 以上都对
【单选题】) — ____ you Miss Smith? — Yes, I ____ . A. Are; are B. Am; am C. Are; am D. Is; am A. Are are B. Am am C. Are am D. Is am
【单选题】) — ____ you Miss Smith? — Yes, I ____ . A. Are; are B. Am; am C. Are; am D. Is; am A. Are are B. Am am C. Are am D. Is am
I tired but I hungry.: am ; am not|am; am|are; are not|is; is not
I tired but I hungry.: am ; am not|am; am|are; are not|is; is not
如果你想对小沈阳说：“我可以给你照张相吗?”该怎样表达：________ A: MayIhaveyourcamera? B: MayItakeyourpicture? C: MayIhelpyou?
如果你想对小沈阳说：“我可以给你照张相吗?”该怎样表达：________ A: MayIhaveyourcamera? B: MayItakeyourpicture? C: MayIhelpyou?
当溶液中有两种辅助配位剂L 和A同时对金属离子M产生副反应，这时金属离子M的总副反应系数为 A: aM= aM(L )+ aM(A) B: aM= aM(L ) + aM(A)- 1； C: aM=aM(L )+aM(A)+ 1 D: aM=aM(L )-aM(A)
当溶液中有两种辅助配位剂L 和A同时对金属离子M产生副反应，这时金属离子M的总副反应系数为 A: aM= aM(L )+ aM(A) B: aM= aM(L ) + aM(A)- 1； C: aM=aM(L )+aM(A)+ 1 D: aM=aM(L )-aM(A)
It ____I who _____leaving for London. A: is…is B: am…is C: is…am D: am…am
It ____I who _____leaving for London. A: is…is B: am…is C: is…am D: am…am
—____ you Mingming? —Yes, I ____.: Am, am|Are,am|Are,are
—____ you Mingming? —Yes, I ____.: Am, am|Are,am|Are,are
I_____helpful.He_____helpful,too. A: is,am B: am,is C: am,are
I_____helpful.He_____helpful,too. A: is,am B: am,is C: am,are
-_________ you Miss Smith?-Yes,I _________. A: Are;are B: Am;am C: Are;am D: Is;am
-_________ you Miss Smith?-Yes,I _________. A: Are;are B: Am;am C: Are;am D: Is;am