—_____ Even though the weather is very bad.

为了研究植物的呼吸作用，某同学设计了如图的实验装置（装置气密性良好）．

①实验时，广口瓶用不透光的黑纸包住，其目的是为了防止瓶内的植物进行光合作用，对实验产生干扰；

②经过一段时间后，可以看到细玻璃管中的红墨水向右移动；

③实验结束后，揭去广口瓶外的黑纸，可观察到广口瓶中的澄清石灰水变浑浊．

上述说法中，正确的是（　　）

写作

　根据中文提示，写出一篇英语作文，60词左右。

          初二年级 (1) 班的学生去郊外远足，在回家的路上，李明在树下发现了一只小鸟，它的翅膀 (wing) 有点问题，不能飞了。李明把它带回家，细心照顾它。现在小鸟好多了，李明打算让它飞回蓝天，因为蓝天才是它真正的家。

　　The students of Class 1, Grade 2 went hiking for a field trip.

    Like reading?

    Want an interesting book to read?

    Here are our books. Just pick the one that you like best.

    The Best of the Song Books: By Harlan Coben

    List Price:  $28.00  Price:  $21.00  You save:  $7.00 (25%)

    Customer (顾客) Review: ★★★

    Bookmarks by Phillips: Magazine by Patricia Cornwell

    List Price:  $24.00  Price:  $18.00  You save:  $6.00 (25%)

    Customer Review: ★★★

    The Mystery of Breathing: A novel by Peril Klaus

    List Price:  $15.00  Price:  $12.00  You save:  $ 3.00 (20%)

    Customer Review: ★★★

    Ten Little Fingers: Books for babies by Annie Keble

    List Price:  $25.00  Price:  $15.00  You save:  $10.00 (40%)

    Customer Review: ★★★★★

    For further information, please click here: www.  book  ....  .  com.