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【简答题】
根据句意及首字母提示补全单词。 1. WeII,John. I'II leave you a QQ m_______online this evening 2. My teacher was very sad when she saw our d_______English grades. She didn't want to teach us anymore 3. My sister was s_______ to have lunch with her teacher in the restaurant. 4. I exercise every day , so I am now in good h_______. 5. Mr. Wang is serious. So when I see him ,I always feel n_______.
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皮皮学刷刷变学霸
举一反三
【单选题】切口移位是指在( )作用下使( )带上放射性标记。
A.
DNA聚合酶IRNA
B.
DNA聚合酶IDNA
C.
DNA聚合酶ⅢRNA
D.
DNA聚合酶ⅢDNA
【单选题】四六和弦是三和弦的第（）转位；（）音在低音位置；三个音的音程关系为（）度+（）度
A.
2；根音；4+3
B.
1；三音；3+4
C.
3；五音；4+3
D.
2；五音；4+3