写出与光的直线传播有关的例子：小孔成像，______，激光准直，______，_ 发布时间：2017-05-04 10:24 │ 来源：www.tikuol.com 题型：问答题 问题： 写出与光的直线传播有关的例子：小孔成像，______，激光准直，______，______等．
题型：问答题 Read and choose the correct answer. 阅读短文，选择正确的答案。 Mr. Li is our English teacher. His home is near our school. Sometimes we go to his home. He has two sons. They are only five years old. They look like their father. They often wear the same clothes. We love to see them and play with them. Mr. Li calls them Da Bao and Xiao Bao. 1. Mr. Li is the father of . [ ]A. the two girls B. the twins C. us and the two boys2. Mr. Li's home is .[ ]A. in the school B. near our school C. far away from the school3. The twins are years old.[ ]A. ten B. four C. five4. The twins often wear . [ ]A. the same clothes B. the blue shirts C. the same shirts5. The twins often play with .[ ]A. their students B. their sister C. Mr. Li's students 查看答案