下列说法正确的是（　　）

①教科书是长方形；②教科书是长方体，也是棱柱；③教科书的表面是长方形．

黄豆是一种重要的农作物，它是制取大豆油的原料，我们食用的毛豆、豆腐、千张、豆浆、豆芽、豆腐乳等都离不开它．以下关于黄豆的分析，错误的是（  ）

读短文，判断正误。

Disneyland

   Would you like to see the whole world on one trip(旅行)? Welcome to the wonderful world of Disneyland. In Disneyland, you can see many different countries(国家) in one day. You can see people and buildings（建筑物） from every country. You can eat many different kinds of food in one day. There are restaurants from Australia, England, America, Japan and China.

  There is much to do in Disneyland. You can do a lot of shopping and buy many funny and beautiful gifts. You can see a mouse taller than you! His name is Mickey Mouse.

下列性状中属于相对性状的是（    ）