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【单选题】
以下关于 TCP保持计时器的描述中,错误的是( )
A.
设置保持计时器的目的是防止TCP连接长时间空闲
B.
当服务器端 收 到客户端的报文时就将保持计时器复位
C.
如果服务器端过了设定的时间没有收到客户端的信息,就发送探测报文
D.
如果每隔5秒,发送10个探测报文还没有响应,就终止该连接
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参考答案:
举一反三
【单选题】( )的先后次序可能会影响到所有订单的处理程度,也可能影响到较重要订单的处理程度。
A.
订单录入
B.
订单准备
C.
订单履行
D.
订单传输
查看完整题目与答案
【多选题】CC2530单片机的定时器1的计数模式有哪几种?
A.
自由运行模式
B.
模模式
C.
正计数 / 倒计数模式
D.
初值模式
查看完整题目与答案
【单选题】The price of the portable computers(手提电脑) is still so______that I can't afford to buy one.
A.
high
B.
low
C.
expensive
D.
dear
查看完整题目与答案
【判断题】国产柴油是根据凝点来划分牌号的。 ( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】The camera is expensive I can't afford it.
A.
so: that
B.
such: that
C.
so: as to
D.
enough: that
查看完整题目与答案
【单选题】CC2530 单片机定时器 1 有哪几种工作模式( )
A.
自由运行模式、取模模式、递增计数/递减
B.
自由运行模式、取模模式、通道模式
C.
取模模式、递增计数/递减计数模式、通道模式
D.
自由运行模式、取模模式、递增计数/递减计数模式、通道模式
查看完整题目与答案
【单选题】I can't afford that dress. It...
A.
is less expensive than the other one.
B.
is too expensive.
C.
isn't expensive enough.
D.
isn't pretty.
查看完整题目与答案
【单选题】I can't afford ________ a house like that because I am poor.
A.
to buy
B.
buying
C.
buy
D.
have bought
查看完整题目与答案
【单选题】The price is so _______ that I can't afford it. [ ]
A.
expensive
B.
cheap
C.
high
D.
low
查看完整题目与答案
【单选题】I can't afford that dress. It...
A.
is less expensive than the other one
B.
is too expensive
C.
isn't too expensive
D.
isn't pretty
查看完整题目与答案
相关题目:
【单选题】( )的先后次序可能会影响到所有订单的处理程度,也可能影响到较重要订单的处理程度。
A.
订单录入
B.
订单准备
C.
订单履行
D.
订单传输
查看完整题目与答案
【多选题】CC2530单片机的定时器1的计数模式有哪几种?
A.
自由运行模式
B.
模模式
C.
正计数 / 倒计数模式
D.
初值模式
查看完整题目与答案
【单选题】The price of the portable computers(手提电脑) is still so______that I can't afford to buy one.
A.
high
B.
low
C.
expensive
D.
dear
查看完整题目与答案
【判断题】国产柴油是根据凝点来划分牌号的。 ( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】The camera is expensive I can't afford it.
A.
so: that
B.
such: that
C.
so: as to
D.
enough: that
查看完整题目与答案
【单选题】CC2530 单片机定时器 1 有哪几种工作模式( )
A.
自由运行模式、取模模式、递增计数/递减
B.
自由运行模式、取模模式、通道模式
C.
取模模式、递增计数/递减计数模式、通道模式
D.
自由运行模式、取模模式、递增计数/递减计数模式、通道模式
查看完整题目与答案
【单选题】I can't afford that dress. It...
A.
is less expensive than the other one.
B.
is too expensive.
C.
isn't expensive enough.
D.
isn't pretty.
查看完整题目与答案
【单选题】I can't afford ________ a house like that because I am poor.
A.
to buy
B.
buying
C.
buy
D.
have bought
查看完整题目与答案
【单选题】The price is so _______ that I can't afford it. [ ]
A.
expensive
B.
cheap
C.
high
D.
low
查看完整题目与答案
【单选题】I can't afford that dress. It...
A.
is less expensive than the other one
B.
is too expensive
C.
isn't too expensive
D.
isn't pretty
查看完整题目与答案
参考解析:
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