根据汉语意思完成句子。

1. Doing more exercise like running helps to _______(增强)our body.

2. All of us should __________(远离) smoking.

3. I want go be a doctor _________ (将来)

4. Mum, don't (担心)_________ me. I'll take good care of myself.

5. Why don't you ________ (躺下)?

史蒂夫·罗斯突破性地发展了资本资产定价模型，提出( )。

A．资本资产定价模型
B．套利定价理论
C．期权定价模型
D．有效市场理论