题干
--- Shall I give you a ride as you live so far away?
--- Thank you. _________.
A：It couldn’t be better
B：Of course you ca
C：If you like
D：it’s up to you
答案(点此获取答案解析）
A
2Z2在反应过程中的反应速率（v）与时间（t）的关系曲线，下列叙述正确的是( )