【热点话题】
shopping(购物)
图书馆购书
体裁：推荐信
写作思路：
写信目的——分类推荐及理由
【美文诵读】
Dear Mr.Wang，
Knowing_that_our_library_is_going_to_buy_books，I'd_like_to
_offer_some_suggestions①．
What we need most are popular science books.Usually popular science books explain basic principles of nature in a simple and interesting way.They help us understand science subjects better and arouse our curiosity about scientific discoveries.
