Results of not enough sleep
harm your problem-solving ____
____ your heart
lead to ____sleepiness
Ways to get better sleep
limit wine drinking ____ to bedtime
get ____ minutes of sunlight
题目:一件令我感动的事
要求:①字迹要清晰,卷面要保持整洁。②要写出自己的真情实感,不得套作。字数不得少于520字。
已知a=20.3,b=log20.3,c=0.32,则( )