问题
单项选择题
使用光栅电子海图与矢量电子海图时，二者在信息处理方面都能实现的性能是（）。
A、对信息进行选择显示
B、与设备数据进行数值比较
C、显示与纸质海图相同的
D、进行相关数据操作
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
使用光栅电子海图与矢量电子海图时，二者在信息处理方面都能实现的性能是（）。
A、对信息进行选择显示
B、与设备数据进行数值比较
C、显示与纸质海图相同的
D、进行相关数据操作
参考答案：A
任务型阅读 Most schools are trying hard to improve their lunch programs and they want to offer the best food they can. Even if your school provides healthy options(选择)，you may still want to have something delicious outside. How do you take control? Take a packed lunch to school! Here are the four reasons to pack your lunch and snacks at least twice a week. Control Have you ever waited in the lunch line only to find when you get to the front that you don’t like what they’re serving? Variety If you’re eating the same food all the time , your body probably feels ready for a change. Packing lunch a couple of times a week means you can enjoy some favorites that you might not find at every school. Money Serving Packing healthy snacks so that you needn’t go out for a fast-food lunch, chocolate or a soda! If so, you will save much money. And you can buy something you need. Warm Feeling Remember when your mom or dad used to pack your lunch? Pack a lunch for yourself, maybe that is your favorite healthy food. Whether you pack or eat in the cafeteria(自助食堂)，what’s important is that you make right choices. If you are worried that cafeteria doesn’t offer enough healthy choices, try to make changes. Ask a teacher or someone in food service for advice on hoe to get started. Take a packed lunch to school
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