你可能感兴趣的试题
other diseases pre-bedtime exercises improper sleep patterns chronic fatigue syndrome
million of year million year millions years millions of years
millions million million of millions of
Millions…on Million…in Millions…on the Million…on
sleep for at least eight hours per night believe that we need less sleep as we age adjust our activities to the new inventions be able to predict the rhythms of our biological clocks
sleep for at least eight hours per night believe that we need less sleep as we age adjust our activities to the new inventions be able to predict the rhythms of our biological clocks
Millions... on Million... in Millions... on the Million... on
B.C.D.四个选项中，选出可以填入空白处的最佳选项As we know, ________ have lived on Earth for ________ years.A. human; millions human; millions of humans; millions humans; millions of
has has been have have been
Most people need less sleep when they grow older. Most people need seven and a half hours of sleep every night. On average, people in the U.S. today sleep less per night than they used to. For most people, less than six hours of sleep on a typical work night is enoug
Millions, on Million, in Millions, on the Million, on
million of millions of two millions two million
other diseases pre-bedtime exercises improper sleep patterns chronic fatigue syndrome
struggling having struggled to struggle struggled
people should go to a doctor and have their problems diagnosed people should exercise immediately before going to bed every night people should sacrifice other things to get enough sleep if necessary people should give up going to bed and getting up at the same time every day.
other diseases pre—bedtime exercises improper sleep chronic fatigue syndrome
湘公网安备 43130202000226号