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依据分子轨道的能量高低，分子轨道可分为 、 、 三种轨道。
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【简答题】根据 汉语提示用适当的介词 完成句子。 1. The hospital is ______ ( 在......旁边) the park. 2. The lab is ______of ( 在......左边) the computer room. 3. T om is tall in his class. He sits ______ ( 在 ...... 后面 ) the classroom. ...
【简答题】根据提示用适当的介词完成句子。 1.—Where are my books? —They're o________ the sofa. 2.—Where is your pen? —It's i________ the pencil case. 3.—Where are my shoes? —They're u________ the bed. 4.—Where is my cat? —It's ...
【简答题】二、用适当的介词完成句子(注意每空一个答案) 1.The girl ___ a red dress is my sister,and the red dress looks beautiful ____ her. 2.Everybody was touched ___ words after they heard her moving story. 3.She found some good-qu...
【简答题】根据提示用适当的介词完成句子。 1.—Where are my books? —They're o________ the sofa. 2.—Where is your pen? —It's i________ the pencil case. 3.—Where are my shoes? —They're u________ the bed. 4.—Where is my cat? —It's ...
【简答题】用适当的介词完成句子。 A. in B. on C. for D. from E. to You can see some students playing football ______ the playground. Greetings ______ Beijing, China. There are a great many books ______ the school libra...
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