竖直向下加速下落的雨滴，假设雨滴下落到某高度时所受的力全部消失，则雨滴将（　　）

根据短文内容，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整，每空一词，每词限用一次。

    My name is Betty. I am twelve. I have some ____. We are middle school students. We are in Class Two, Grade Seven. This is Miss Green. She is an American teacher. She ____ us English. Her classes are very ____. We all like her.

    This is my new classroom. In the classroom you can see many ____ and chairs. A blackboard, a clock and a map ____ China are on the wall. On a desk, you can see some pencils. The red one is mine. The green one is ____.

    Look! You can see a ball under the desk. That's Kate's desk. The ball is____, too. This is my desk. You can see a ____on it.

a．胶头滴管 b．试管 c．普通漏斗 d．量筒 e．酒精灯  f．细口玻璃瓶  g．药匙  h．坩埚钳i．容量瓶   j．分液漏斗  ．冷凝管 l．蒸馏烧瓶