你好，我是山姆（）
A: Hi,I'm Bobby
B: Hi,I'm Sam
C: Hi,Sam
A: Hi,I'm Bobby
B: Hi,I'm Sam
C: Hi,Sam
举一反三
- 青书学堂: (单选题) — Hi, Sam, I think you did a good job. — ________.
- 已知 HI 的光分解反应机理是： HI + hν→ H + I H + HI→ H2 + I I + I + M→ I2 + M 则该反应的量子效率为：（） A: 1 B: 2 C: 4 D: 10
- -Sarah:Hi!Andrew.Whereareyouheading?-Andrew:______ A: I’m in the classroom. B: Hi! Will you come with me? C: I’m on my way home from work. D: I just came from school.
- Hi, I’m Mary. I come ________ Canada. A: of B: from C: in D: on
- —Fred: Hi, Paul, do you live near here —Paul: ________ I moved out to the suburbs. A: Hi, Fred,how do you do B: Hi, Fred, I’m very well, thanks. C. C: Yes, I do. D: No,I don’t.