【简答题】Look and match. (看图, 补全短语) 1. She is________________leaves. 2. She is_________________. 4. She is________________ up leaves. 3. She is________________. 5. They are_______a________.
【简答题】明代地理学家徐霞客是世界上对 ___________ 地貌进行研究的第一人。
【简答题】明代地理学家徐霞客是世界上对 ___________ 地貌进行研究的人。
【单选题】采用“瞬时极性法”来判断反馈极性时,若电路是串联反馈,则反馈信号的极性( )电路为负反馈
【单选题】采用“瞬时极性法”来判断反馈极性时,若电路是串联反馈,则反馈信号的极性( )电路为正反馈。
【单选题】She hardly ever has time to relax,_______ ?
【简答题】连词成句。 1. quiet, Is, she (?) _________________________________________ 2. No, isn't, she (, .) _________________________________________ 3. is, She, active, very (.) ___________________________________...
【简答题】看图完成对话。 A: 1.__________ is she? B: She's Nancy. A: Where's she 2.___________? B: She's from the 3.___________. A: 4.___________ she speak English? B: Yes, she does.