临近毕业，承承所在班级拍摄毕业照是，摄影师看到两边有些同学没有进入镜头，他及时进行了调整，顺利完成了拍照，请你说说摄影师是怎样进行调整的？
答：照毕业照时发现有一部分同学没有进入取景框，要想使全体同学都进入取景框，则应使像变小，要使像变小，则必须使物距变大，所以应使照相机远离学生，物距增大后，像距跟着变小，要使所成的像清晰，则必须同时调节镜头缩小像距，因此应使镜头靠近胶片．
| 完形填空。 | |||
| It's Sunday. We are in the park now. __1__ is a big and beautiful park. __2__ many people in it. We all like this park. The park__3__ a lake. too.We can boat on the 1ake. But we__4__ swim in it. It is dangerous. Look at that family. They are__5__ the tree. The boy is on the left of his father. The family bring their__6__ to the park. It is a cat,a white cat. How lovely! The boy has a __7__ in his hand. He wants to fly it. But I think they__8__ look for the right place. It's not a good place here. There are too many trees. The mother has a beautiful handbag. It's __9__ . I like the colour. It's the color of the sky (天空). There is a __10__ on the tree. It says" Don't climb (爬) the tree!" But the cat is in the tree now. | |||
| ( ) 1. A. He ( ) 2. A. There are ( ) 3. A. have ( ) 4. A. can ( ) 5. A. on ( ) 6. A. son ( ) 7. A. ball ( ) 8. A. are ( ) 9. A. yellow ( ) 10. A. sign | B. It B. There is B. haves B. can't B. in B. pet B. plane B. must B. black B. newspaper | C. They C. There have C. is C. must C. under C. teacher C. shirt C. do C. white C. book | D. There D. There has D. has D. must't D. into D. cat D. kite D. can D. blue D. bag |
