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【单选题】
由于地形起伏或大型建筑物的阻挡引起的衰落是( )A.
慢衰落
B.
快衰落
C.
衰落
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举一反三
【简答题】T ask 1: Listen to the questions and choose the best answer to each of them. 04_Task 1.mp3:
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【简答题】TCP/IP模型的层之间使用PDU （协议数据单元） 彼此交换信息， 传输层带TCP报头的PDU被称为 （ ） 。
【简答题】根据句意和所给字母完成单词。 1. We use the e to go up and down the building. 2. Look! It's raining outside. You'd better put on your raincoat or take an u . 3. If you want to know the answer to the question, you sh...
【简答题】He caught a youth ___________ (break) into a car. 7. Don’t leave her____________(wait) outside in the rain. 8. Listen! I can hear him ____________(sing). 9. I often hear the song _____________(sing). ...
【简答题】Listen to a conversation and try to answer the following question. Which parts will take the most in the trip budget? 04花销预算.mp3:
【简答题】动词填空。 1. Li Lei isn't in. He _____ (wait) for his mother outside. 2. Now the boy like his parents _____ (not like) fast food at all. 3. The Greens _____ (plan) to go on holiday in Hawaii at present. ...
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