问题
计算题
汽车经过某一车站时，旅客手表的指针恰好指示09：30：00，经过下一站时，已是09：32：18。已知两站之间的路程为2.07km，试求汽车的平均速度。
答案
解：汽车从某一车站到下一车站所用的时间为：t＝2分18秒＝138秒
汽车的平均速度为：
搜题请搜索小程序“爱下问搜题”
汽车经过某一车站时，旅客手表的指针恰好指示09：30：00，经过下一站时，已是09：32：18。已知两站之间的路程为2.07km，试求汽车的平均速度。
解：汽车从某一车站到下一车站所用的时间为：t＝2分18秒＝138秒
汽车的平均速度为：
| 任务型阅读。 | ||||||||||||||||||||||||||||||||
| Dear friends , My name is Frank. I am from America. Here is a picture of our class. We are in Class 3, Grade 7. The name of our school is St John's High School. We are learning Chinese in our school. Our Chinese teacher's name is Joy Wang. Can you see her in the picture? You can see my friends in the picture , too. Jimmy is tall and has black hair. He is good at playing basketball. He is on the school team. Mary is short and is wearing a yellow dress. She is good at math. Sandra has long hair. She can speak French. Sally is a black girl. She has short hair. She likes swimming. She is on the swimming team. I like music. Can you find me? I'm the boy with glasses. Maria is new here. She is from Hong Kong. She has black hair and black eyes. She speaks English well, and she is very good at computer. Nick is big. He has small eyes. He is fun. He can play football. Send(寄) me a picture of your class and tell me about your friends ! Yours , Frank | ||||||||||||||||||||||||||||||||
| 根据短文内容，完成下列表格。 | ||||||||||||||||||||||||||||||||
|