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【单选题】
【429】 两台路由器RTA 和RTB 使用串口背靠背互连,其中RTA 的串口配置了HDLC 协议,而RTB 的串口配置了PPP 协议。两台设备上都配置了正确的IP 地址,那么会发生的情况是______。A.
RTB 串口物理层up，协议层down
B.
RTB 串口物理层down，协议层down
C.
RTA 串口物理层up，协议层保持up 状态，但RTA 不能ping 通RTB
D.
RTA 串口物理层down，协议层down
E.
RTA 和RTB 串口的物理层和协议层down
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【简答题】int a=2 , b=3; 表达式 a>b?a+b:a-b 的值是 。表达式 a &&b 的结果是 , a || b 的结果是 。
【单选题】_____, we would go on a picnic.
A.
The weather is fine
B.
Should the weather be fine
C.
The weather be fine
D.
Would the weather be fine
【单选题】______, we’ll go camping.
A.
weather permits
B.
If weather will permit
C.
weather permitting
D.
weather permitted
【单选题】函数INT(数值表达式)的功能是( )。
A.
返回数值表达式值的整数部分
B.
按四舍五入取数值表达式值的整数部分
C.
返回不小于数值表达式值的最小整数
D.
返回不大于数值表达式值的最大整数
【简答题】如果数值函数INT(数值表达式)中，数值表达式为正，则返回的是数值表达式值的( )。 A．绝对值 B．符号值 C．整数部分值 D．小数部分值
【单选题】______, we shall go on a picnic.
A.
The weather is fine
B.
Should weather be fine
C.
The weather being fine
D.
Would weather be fine
【简答题】阅读理解。 We often talk about the weather. If we want to know about the weather. We can turn on the radio (收 音机) and listen to the weather report. We can also turn on the TV and watch the Weather Show. An...
【单选题】________, we will go camping this weekend.
A.
Weather permitting
B.
If weather is permitted
C.
Weather permits
D.
Weather permitted
【简答题】阅读理解。 We often talk about the weather. If we want to know about the weather. We can turn on the radio and listen to the weather report. We can also turn on the TV and watch the Weather Show. And we ca...
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