2014
高考英语阅读理解精英系列练习题（18）及答案《广东省广州市执信中学2013第三次模拟》c advice to “sleep on it” could be well founded, scientists say. after a good night’s sleep a problem that seemed impossible to solve the night before can often appear easier, although no evidence has proved this by now. but researchers at the university of luebek in germany have designed an experiment that shows a good night’
