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【多选题】
交通工程学是以人(驾乘人员和行人)为主体、以交通流为中心、以道路为基础，将三方面的内容统一在交通系统中进行研究，综合处理道路交通系统中人、（ ）、（ ）、环境四者之间的时空关系的学科。A.
车
B.
运输工具
C.
路
D.
运输对象
E.
运输路径
拍照语音搜题，微信中搜索"皮皮学"使用
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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:
【简答题】T ask 5: Listen to the passage and answer the questions. 04_Task 5.mp3:
【简答题】I Extensive Listening Expo Registration Alice calls the Guangzhou International Exhibition Center. Listen to the call and decide whether the following statements are T(true) or F (false). u04p11.mp3: ...
【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】Complete the sentences. Use the past or the past progressive of the verbs in parentheses. My neighbors 1 (argue) ...................... about something when I 2 (walk) ...................... ...
【简答题】单句语法填空 1.He is so stubborn _______ most of us dislike him. 2.I opened the door and saw a man _______ (dress) in an old coat. 3.The young man is ________ (rely) so you can depend on him. 4.O...
【单选题】Now you will hear a short conversations.Listen carefully and choose the best answer from the four possible choices. u04_2.1_1.mp3:
A.
The advertisements seen in many places.
B.
The use of Uncle Sam's image.
C.
The places Uncle Sam has been to.
D.
The men who joined the army.
【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. ...
【单选题】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( )
A.
包Packet
B.
二进制比特流Bit
C.
帧Frame
D.
段Segment
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