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按碳的骨架分类，下列说法正确的是( )
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【简答题】组成原生质的有机化合物主要包括( )、( )、( )和( )等四大类。
【简答题】组成原生质的主要化合物包括有( )、( )、( )和( )。
【简答题】给下列的问句选择正确的答语。 ( ) 1. Where is Kim? ( ) 2. Where is the book? ( ) 3. What are these? ( ) 4. What are they doing? ( ) 5. Where is Steven? a. He is in the gym. b. They are reading bo...
【简答题】问句答语连一连。 1. What's your favourite colour? 2. How are you? 3. Where is the book? 4. What colour is it? 5. Is it a ball? A. Yes, it is. B. It is on the desk. C. My favourite colour is red. D. I'm fine. ...
【简答题】组成原生质的有机化合物主要包括( )、( )、( )和( )等四大类。2．组成原生质的有机化合物主要包括( )、( )、( )和( )等四大类。
【单选题】Excuse me,I'm new here. Could you tell me _____? [ ]
A.
where is the book store
B.
that if there was a bookstore
C.
where the bookstore is
D.
how long does it take to get to the bookstore
【简答题】听音，选出你听到的句子。 ( ) 1. A. Is it new? ( ) 2. A. Her name is Jenny. ( ) 3. A. Where is the book? ( ) 4. A. I'm in the library. ( ) 5. A. How many desks? B. Is it old? B. Her name is Kim...
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