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【单选题】
雷达的工作频率是指雷达发射信号的（ ）。A.
振荡频率（或中心频率）
B.
多普勒频率
C.
脉冲重复频率
D.
多普勒频移
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【简答题】My name is Sam . I joined a club called “ passing help ” last month . Now let me tell you why I joined it. One evening this May, on my way home my old car was broken . It was 25 miles from my home . ...
【多选题】VRP中，以下关于RIP路由聚合的说法正确的是()。
A.
RIPV1默认支持路由聚合，需要时可以关闭路由聚合功能
B.
RIPV2支持关闭路由聚合功能
C.
RIPV1不支持CIDR
D.
RIPV2支持子网路由聚合
【简答题】在下列各句的空白处填入一个最恰当的单词，使句子意思完整，语法正确。 1. My pen is broken. Can you l_______ me your pen? 2. There are too many cars in front of the cinema. I can't find a place to p______ my car. 3. You'd better mak...
【判断题】Facts, evidence and details in a paragraph are equally important. We should look for all of them.
A.
正确
B.
错误
【简答题】阅读理解 A My name is Sam. I joined a club called “passing help” last month. Now let me tell you why I joined it. One evening this May, on my way home my old car was broken. It was 25 miles from my home. ...
【单选题】My car is broken. I haveno ___but to walk home.
A.
idea
B.
way
C.
choice
D.
possibility.
【多选题】(多选) VRP中,关于RIPv1和RIPv2,下列说法正确的是 (请选择2个答案)
A.
RIPv1报文支持VLSM
B.
RIPv2报文支持VLSM
C.
RIPv2缺省使用路由聚合功能
D.
RIPv1只支持报文的简单口令认证，而RIPv2支持MD5认证
【单选题】My car is broken. I have no ___ but to walk home.
A.
idea
B.
way
C.
choice
D.
possibility
【多选题】VRP中,关于RIPV1和RIPV2,下列说法正确的是
A.
RIPV1报文支持VLSM
B.
RIPV2报文支持VLSM
C.
RIPV2缺省使用路由聚合功能
D.
RIPV1只支持报文的简单口令认证，而RIPV2支持MD5认证
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