太阳的半径约为697000000米,用科学记数法表示为( )米.
6.97×108.
明天是我国传统的端午节,学校准备举办“端午节晚会”。请你以晚会节目主持人的身份,在横线上写一段开场白。
要求:①主题鲜明,语言生动;②80字左右。
尊敬的老师、亲爱的同学:
晚上好!_____________________________________________
下面请欣赏晚会的精彩节目。
The story is ___87___ a young student. She worked very hard at her lessons. She was too busy ___88___ have a rest. At last, she became ill, so she couldn’t go to sleep. Every night, when she went to bed, she closed her eyes and ___89___ to sleep. But the more she tried, the more she stayed awake. After a while, she went to ___90___ a doctor. “I just can’t go to sleep at night. What ___91__ I do?”
“I have a ___92__,” said the doctor, “Try counting numbers. By the time you reach one thousand, you will be asleep. I am sure of it.” The next day the student returned ___93__ the doctor’s office. “Well,” said the doctor. “___94__ are you today? Did you try it?” The student still looked tired. “Yes,” she said. “I tried counting one, two… up to one thousand. But ___95___ I reached 569, I began to feel sleepy. I had to get up and ___96___ some coffee so that (以便) I ___97__ go on counting to one thousand. But then I still couldn’t fall asleep.”