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【单选题】
真核生物转录过程中RNA链延伸的方向是( )。A.
5`→3` 方向
B.
3`→5` 方向
C.
N 端→C端
D.
C 端→N端
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皮皮学刷刷变学霸
举一反三
【简答题】连词成句。 1. have mutton tomatoes and We 2. would like you What for lunch 3. like you gs Do 4. favourite What's food your 5. fresh healthy and It's
【单选题】The English party ended up by _______ an English song. [ ]
A.
sing
B.
sings
C.
singing
【单选题】I often hear this English song _________on the radio.
A.
sing
B.
singing
C.
to sing
D.
sung
【简答题】The children will sing an English song. An English song ________ _________ ________ by the children.
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