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【判断题】
在以太网中,任何站点发送帧的时间必须小于或等于端到端传播时延的两倍。( )A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】SectionB 10
A.
She wants to ask for help
B.
She doesn’t like the man
C.
She wants to work for the man
D.
She doesn’t need his help.
【简答题】脱式计算 （1）4000-592÷37 （2）5-1.05×2.4 （3） 9 10 ÷（2- 1 3 ×3）
【单选题】SectionB 8
A.
He forgot the time.
B.
He got to the wrong place.
C.
He missed the bus.
D.
He was sick.
【简答题】直接写出得数． 7.2÷4= 10.5-1.05= 2.4×1.01= 2.4×1.5×0= 0.36÷0.9= 2 51 ×3×17= 1÷0.2= 10×0.1%= 2 3 - 1 2 = 7 4 - 7 4 × 2 3 =
【单选题】SectionB 9
A.
They won’t go to the party.
B.
They won’t be late
C.
They will be late.
D.
They will stay at home.
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