A．Yes, I'm not.B．Yes, I am.C．No, I am.D．Not at all. A: Yes, I'm not. B: Yes, I am. C: No, I am. D: Not at all.

It ____I who _____leaving for London. A: is…is B: am…is C: is…am D: am…am

-_________ you Miss Smith?-Yes,I _________. A: Are;are B: Am;am C: Are;am D: Is;am

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)

【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

Was ist falsch（错误的）? A: am Morgen B: am Nacht C: am Abend D: am Vormittag

I tired but I hungry.: am ; am not|am; am|are; are not|is; is not

I ______English. A: am skillful with B: skilled with C: am skilled in D: am skilled

---The telephone is ringing.----I _____ answer it. A: will B: am going to C: am to D: am about to

已知s1="I "am a student.",s2='I \'am a student',则print(s1,s2)的输出结果为( ) A: I 'am a student. I 'am a student B: I "am a student. I 'am a student C: I "am a student. I \'am a student D: 程序报错