根据短文内容，选择适当的单词，并用其正确形式填空。每个词限用

问题填空题

根据短文内容，选择适当的单词，并用其正确形式填空。每个词限用一次。

wear, invent, mean, enough, teach, read, invention, information, memorize, who

    Modern glasses were 1.        around 1,000 years ago.  They were more than just aconvenient way 2.        _ with. Before glasses, writers. scientists or 3.        _whocould not see properly had to 4.           everything.  After about ten years of poor eyesight,they could not remember well 5.           and could not work. Glasses 6.          thatpeople could work into their old age.  People 7.           wanted to remember 8.        _
could write it clown and read it.  Glasses arc one of the world's greatest 9.           and wereprobably
10.           by the people who need them.

答案

1. invented 2. to read 3. teachers 4. memorize 5. enough 6. meant 7. who 8. information 9. inventions 10. worn