I have a new schoolbag. It is beautiful. It is yellow and blue. I like it vey much. But my schoolbag is very heavy. There are many things in my schoolbag. Look, what's in it?

    I have two books, a notebook, four pencils, two crayons, a ruler, and an apple in my schoolbag.

根据课文内容回答问题，将问题的答案填写在横线上。

在日常的学习生活中，我们应该注重培养自己的兴趣和发展自己的特长。下列对此认识正确的是（    ）

GPS技术给测绘界带来了一场革命，下列说法不正确的是（   ）

为表彰“我爱读书”演讲比赛中获奖同学，老师决定购买笔记本与钢笔作为奖品，已知5个笔记本和2支钢笔共需100元：4个笔记本和7支钢笔共需161元．设每个笔记本z元，每支钢笔y元，根据题意可列方程组为____