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【简答题】
Fill in each blank with"have","send","guide" or"attend" in the word's proper form. He took the blind girl's arm and her through the doorway. Do you prefer to juice or coke? We'll to that problem later. They've me some pictures of Guilin. 5. A will show you around the castle. 6. Let's the recorder there to be repaired. 7.We have classes to almost every day. 8. Last year we the house rebuilt.
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皮皮学刷刷变学霸
举一反三
【多选题】05-3-17*DNA结构的Watson-Crick模型说明
A.
DNA为双股螺旋结构
B.
DNA两条链的走向相反
C.
碱基之间形成共价键
D.
磷酸骨架位于螺旋的内部
【简答题】斜交板桥的最大反力发生在( )
【简答题】巴洛克时期的音乐活动中心在今天的( )国家。