1.Most dreams happen during REM(rapid eye movement)sleep.Scientists who study dreams often make noises or talk to sleeping people in the REM stage. They are trying to find out what effects noises can have on dreams, what causes dreams and how dreams might be helpful to people.
2.Martin Van Buren of New York,a former President seemed sure of getting the nomination. But he opposed making the territory of Texas part of the United States,an another state , He was against it because there was territory of Texas part of the United States
參考答案:1.一般在睡觉时眼球高速运动（这是医学上的，睡着的人的眼睛呈现的情况）就会发梦。研究梦的科学家们发现在眼球高速运动的情况下睡着的人常常会发出噪音或者是说梦话。他们正尝试找出发梦时弄出来的噪音会有什么影响，还有到底是什么引起梦和梦对人有怎么样的帮助。