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【单选题】
双层底的作用是________。I.增强船体总纵强度和船底局部强度;II.用作油水舱,并可调整船舶吃水;III.增加船舶抗沉能力和承受负载。
A.
Ⅰ，Ⅱ
B.
Ⅰ，Ⅲ
C.
Ⅱ，Ⅲ
D.
Ⅰ，Ⅱ，Ⅲ
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【多选题】LTE别于TD的设计目标包含
A.
峰值速率：下行100Mbps,上行50Mbps
B.
支持增强型MBMS
C.
系统结构简单化，降低建网成本
D.
频带带宽设置灵活配比
E.
TDD时分双工
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【单选题】具有正副本的票据为(    )。
A.
汇票和本票  
B.
汇票和支票  
C.
汇票  
D.
本票
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【单选题】Which is NOT included in the prize?
A.
Two return Business Class tickets.
B.
A stay in any Hilton hotel in Asia Pacific.
C.
A 4-night stay in a luxurious hotel.
D.
US $ 1,000 shopping money.
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【判断题】Customers are the foundation of any business, without which a business simply wouldn ’ t exist.
A.
正确
B.
错误
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【单选题】Which of the following business strategies is most likely to increase the net cash flows of a software developer in the short run but to reduce them over a longer term?______.
A.
Develop software that is more costly to create but easier to update and improve.
B.
Lower the price of existing versions of products as customer demand begins to fall.
C.
Purchase the building in which the business operates (assume the company currently rents this location) .
D.
Reduce expenditures for the purpose of developing new products.
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【单选题】Jack sings better than _____ in his class. Which answer is not right? [     ]
A.
any other student
B.
any of the others
C.
anyone else
D.
all other students
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【单选题】对于上行传输峰值速率，当终端采用1天线发送时,LTE系统应该满足 Mbps的设计目标.?
A.
50
B.
100
C.
20
D.
125
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【判断题】Customers are the foundation of any business, without which a business simply wouldn’t exist.
A.
正确
B.
错误
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【多选题】LTE别于TD的设计目标包含
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【单选题】Jack sings better than _____ in his class. Which answer is not right? [     ]
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125
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【简答题】A．live for B．live upon C．live through D．live up to
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