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【单选题】
TCP 协议的流量控制手段采用( )
A.
停止-等待策略
B.
可变窗口大小的滑动窗口法
C.
固定窗口大小的滑动窗口法
D.
慢开始和线性增长
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【单选题】... then we ’ ll figure out what to do today.
A.
think about
B.
decide
C.
discuss
【单选题】“ We ’ ll do what we can to get the goods on time, ” said the manager of the company.
A.
reached
B.
arrived
C.
delivered
D.
come
【单选题】- What are you going to do tomorrow? - We ’ ll go to the library tomorrow if it ________.
A.
isn ’ t rain
B.
rain
C.
won ’ t rain
D.
doesn ’ t rain
【单选题】地面上某点到两目标的方向线在水平面上的垂直投影所形成的夹角,称为()。
A.
锐角
B.
水平角
C.
钝角
D.
竖直角
【单选题】We' ll go to the forest. What do we need to take?
A.
life ring
B.
bathing suit
C.
comfortable shoes
D.
suitcase
【简答题】地面上某点到两目标的方向线垂直投影在水平面上所成的角称为水平角。
【判断题】电气指令式制动控制主要优点是:全列车的制动和缓解的一致性好
A.
正确
B.
错误
【简答题】Friendship likes a plant, if it is neglected, it will wither 2.Friendships ’ flourish basises for mutual respect 3.This article helps us to insight the problem. 4.We bound to do what we can do to ove...
【单选题】Jim : I ’ ve had a lot of trouble getting through to you. Your call centre wouldn ’ t put me through. Clerk : I ’ m sorry. We ’ ve been very busy this morning. Please explain the problem, and I ’ ll s...
A.
the phone
B.
calling
C.
center
【单选题】--What shall we do this weekend ? --We ’ ll drive to Dongjiang Lake _______boating.
A.
to go
B.
go
C.
to going
D.
going
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