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【简答题】
指出下列I~IV式中 1的绝对构型是( ),2的绝对构型是(),3的绝对构型是(),4的绝对构型是();1到4中的对映体是();1到4中的非对映体是();1到4中的外消旋体是()。这四个结构分别用阿拉伯数字对应,后面三个空括号里填阿拉伯数字和阿拉伯数字如:1和1
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举一反三
【简答题】Who was Lady Claire? What happened to her?
【单选题】Claire is saying something important that you want to hear. Anna keeps interrupting Claire. You politely say:
A.
Shut up, Anna. You talk too much.
B.
Let Claire finish, please.
C.
Anna, you are rude.
D.
Please stop interrupting, because no one wants to hear you.
【简答题】Fill in each blank with “hurt”, “mean”, “miss” or “plan” in the word’s proper form. 1. I to join you in the morning exercise this morning, but I overslept. 2. He was badly in a traffic accident. 3. Wh...
【简答题】Claire und Melanie sind in G öttingen und suchen die Universit ätsbibliothek.
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