皮皮学,免费搜题
登录
搜题
【单选题】
关于无线网络标准802.11a、802.11b、802.11g,下列说法正确的是:
A.
802.11a和802.11b都工作在2.4GHz频段,而802.11g工作在5GHz频段;
B.
802.11a具有最大54Mbps带宽,而802.11b和802.11g只有11Mbps带宽;
C.
802.11a的传输距离最远,其次是802.11b,传输距离最近的是802.11g;
D.
802.11g可以兼容802.11b,但802.11a和802.11b不能兼容;
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【多选题】肥胖治疗的原则是()。
A.
严格节食
B.
达到能量负平衡
C.
促进脂肪分解
D.
长期坚持低强度体力活动
E.
不需要限制食物种类
【简答题】信息归纳。 Notice November  22 The students of Class 3, Grade 3 will go to the Red Star Village and help the farmers to get in rice. We wil l meet on the school playground at 7 o'clock on the morning of Sa...
【单选题】下列哪种定价法不是以市场为导向的定价方法:( )
A.
渗透定价法
B.
撇脂定价法
C.
变动成本定价法
D.
差别定价法
【单选题】---What should I do first before boarding? ----().
A.
You may ask the policeman there to help.
B.
Please go to the airline counter to check-in for your flight.
C.
You should wait and see.
D.
You have to go there to check in for your flight.
【简答题】下列方框中选择恰当的句子,完成下列对话。 A. That's OK. B. You can take a bus to go there. C. Can I help you? D. How long does it take to get there? E. How far is it? A: 1 B: Yes, please. Could you tell me the way to the ...
【简答题】从B栏中找出A栏的答语。 A (     )1. Dou you break your tail? (     )2. Would you like a banana? (     )3. Can I help you? (     )4. Can you take pictures? (     )5. Are you Okay? B A. No, I hurt my nose. B. Yes,...
【单选题】定价的模式为:运价=货主的认识价值-佣金,是下列哪一种定价方法()。
A.
成本导向定价法
B.
需求导向定价法
C.
竞争导向定价法
D.
利润导向定价法
【判断题】红海行业是指未知的有待开发的市场空间,因此该行业充满新的商机和机会。
A.
正确
B.
错误
【判断题】红海行业是指未知的有待开发的市场空间,因此该行业充满新的商机与机会。
A.
正确
B.
错误
【简答题】Complete b y putting the v erb in the mo s t app r opri a te f u tur e form. USE Contractions where able. loe: Hello. David : ' I s Sandy there , please? l oe : Ye s, hold on a moment - I (1 get ) _ _...
相关题目: