1;是因为医生的建议那位青年才下定决心戒烟（用强调句强调划线部分） 咋改?2:虽然我们因长途旅行很疲劳

It was the doctor's advice that make the man determined to give up smoking.
In order to see sunrise we didn't sleep,though we had felt tired after long trip.
We could't help to see the beautiful scene that lake looked like a shining star in the sunset.