【单选题】
NB-IoT终端的上行带宽为（ ）。
A. 50KHz
B. 200KHz
C. 100KHz
D. 180KHz
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答案
D
解析
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假设我们要在某一偏远村庄添加一新基站，请你设计该基站的天线类型 （ ）。
A. 增益18dbi，水平波瓣位30度的天线
B. 增益 15dbi，电调天线
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以下哪种 QCI 等级的信道的丢包率（Packet Error LossRate）最高？( )
A. QCI6
B. QCI2
C. QCI5
D. QCI1
E. QCI3
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有关Diameter协议说法不正确的是：（ ）
A. 消息中携带的参数称为IE
B. 由RADIUS协议演变而来
C. Peer 到Peer的协议
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关于接收随机接入前导的测量，以下说法不正确的是( )。
A. 该测量量是时间周期内小区内所有PRACH信道中所接受到的随机接入前导数
B. 该测量适用于PRACH信道，其参考点是MAC层与物理层之间的服务接入点
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D. 该测量的目的是判断所接收到的随机接入前导是否合法
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以下属于IMS域的有( )。
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VOLTE中高清通话采用的编码方式为( )
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UE的能力等级信息可以在以下哪条消息中读取？( )
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UE初始接入网络时RRC Connection Request消息携带的UE 标识为（ ）
A. m-TMSI
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VoLTE呼叫空口及S1口信令流程(非SIP)的呼叫信令流程一般指的是主被叫UE都处于( )态，这也是现网中最常见的呼叫应用场景。
A. RRC_DETACH
B. RRC_ATTACH
C. RRC_CONNECTED
D. RRC_IDLE
【单选题】
关于SIP协议相关正确的是？（ ）
A. SIP协议是互联网行业标准组织IETF提出的,是一个应用层的信令控制协议,用于创建、修改和释放一个或多个参与者的会话
B. 以上全部正确
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【单选题】
Cell-specific Reference Signals Powerr参数通过（ ）通知UE，并在整个下行系统带宽和所有子帧中保持恒定。
A. SIB2
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【单选题】
用户IMSI消息可能在以下哪条消息中携带( )。
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【单选题】
在测试中发现切换不及时，修改那种参数可以改善( )。
A. 调大Hysterisis
B. 调大门限
C. 调小Time To Trigger
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14. — Can he jump high?
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【单选题】
15. The shop _____ at 8:00 a．m．and it ________ for ten hours every day．
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【单选题】
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【单选题】
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【单选题】
20. — Its difficult for the village children to cross the river for school.
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【单选题】
21. — Could you tell me when Mr. Li ________ in Huaibei?
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23. — Did you see a girl in yellow pass by just now?
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24.In fact, my parents are not only kind to me, but also strict ________ me.
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【单选题】
25. The boy_____ a yellow sweater can_____ himself now．
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【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
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A. A
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【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
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【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
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A. A
B. B
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【单选题】
( ) 29. When a baseball player hits the ball, he must ______ to get a point.
A. run to each base freely
B. touch the home plate first
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D. run to each base in order and touch it with his foot
A. A
B. B
C. C
D. D
【单选题】
( ) 30. When was the importance of touching all the bases shown?
A. Before the baseball rules made.
B. At the end of the 1974 baseball seasons.
C. At the start of the 1974 baseball seasons.
D. In the second week of 1974.
A. A
B. B
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【单选题】
( ) 31. Who hit home run number 715?
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A. A
B. B
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【单选题】
( ) 32. What does the expression “to touch all bases” mean?
A. To try your best to set a new record.
B. To get a chance to be the greatest hitter.
C. To do what is needed to finish an activity.
D. To solve the problems successfully.
A. A
B. B
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【单选题】
( ) 33. The Chinese Yellow Sea Wetlands are in the _______ of China．
A．south B．east C．west D．north
A. A
B. B
C. C
D. D
【单选题】
( ) 34. Usually the weather in the wetlands is _______．
A．hot B．pleasant C．cold D．dry
A. A
B. B
C. C
D. D
【单选题】
( ) 35. The World Wetlands Day is on _______．
A．February 2 B．June 25 C．April 22 D．March 22
A. A
B. B
C. C
D. D
【单选题】
( ) 36. We must protect wetlands because _______．
A．they are home for wildlife B．they can prevent flood
C．they can offer food to the animals and birds D．all of the above
A. A
B. B
C. C
D. D
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
A. A
B. B
C. C
D. D
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
A. A
B. B
C. C
D. D
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
A. A
B. B
C. C
D. D
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
A. A
B. B
C. C
D. D
