根据短文内容，判断正确还是错误。

     Lynn has many books and toys. She has English books, Chinese books, word books and comic books. The English books and word books are thick. The Chinese books and comic books ard thin. She likes reading English books and word books. She has a boy bear, a toy dog and a toy cat. Her toy bear is hard. Her toy dog and toy cat are soft. She likes them very much.

金属铂的电阻值对温度高低非常敏感，如图中可能表示金属铂电阻的U－I图线是(  )

夏天的早晨，树叶上常常会有一些露珠.透过这些露珠看到的叶脉会更清楚，这是由于露珠相当于一个“凸透镜”，使叶脉放大了.这种情形下，叶脉应该位于“凸透镜”的（   ）