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【单选题】
下面关于无线局域网(WLAN)主要工作过程的描述，不正确的是(33)。
A.
扫频就是无线工作站发现可用的无线访问点的过程
B.
关联过程用于建立无线工作站与访问点之间的映射关系
C.
当无线工作站从一个服务区移动到另一个服务需要重新扫频
D.
无线工作站在一组AP之间移动并保持无缝连接的过程叫做漫游
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参考答案：
举一反三
【单选题】I’m afraid you have got a lot more questions to ___ me again.
A.
fight
B.
wait
C.
ask for
D.
challenge
查看完整题目与答案
【单选题】The old man keeps coughing________. I’m afraid you have to send him to hospital.
A.
between morning to night
B.
from morning to night
C.
between morning and night
D.
from morning and night
查看完整题目与答案
【判断题】在一定接触时间内,一定反应温度和反应物配比下,主反应的转化率愈高,说明催化剂的活性愈好。
A.
正确
B.
错误
查看完整题目与答案
【单选题】(2013·高考辽宁卷)—I’m afraid you have the wrong number. —Sorry！________.
A.
See you later
B.
I didn’t know that
C.
Hold on，please
D.
I hope I didn’t bother you
查看完整题目与答案
【单选题】I’m afraid you have to get your room ____________. It’s too dirty and messy!
A.
cleaning    
C.
to clean    C. cleaned    C. to be cleaned
查看完整题目与答案
【判断题】在一定接触时间内，一定反应温度和反应物配比下，主反应的转化率愈高，说明催化剂的活性愈好。
A.
正确
B.
错误
查看完整题目与答案
【多选题】合同担保的主要方式有( )
A.
保证
B.
抵押和质押
C.
留置
D.
定金
查看完整题目与答案
【简答题】--I’m afraid you have the wrong number. ---Sorry.______. A．See you later B．I didn’t know that C．Hold on please D．I hope I didn’t bother you.
查看完整题目与答案
【单选题】– My bike is missing. I can’t find it anywhere. – I’m afraid you have to buy .
A.
it
B.
one
C.
any
D.
few
查看完整题目与答案
【单选题】—Hello! May I speak to Lucy，please? —Sorry，I’m afraid you have the wrong ．
A.
way
B.
name
C.
number
D.
telephone
查看完整题目与答案
相关题目：
【单选题】I’m afraid you have got a lot more questions to ___ me again.
A.
fight
B.
wait
C.
ask for
D.
challenge
查看完整题目与答案
【单选题】The old man keeps coughing________. I’m afraid you have to send him to hospital.
A.
between morning to night
B.
from morning to night
C.
between morning and night
D.
from morning and night
查看完整题目与答案
【判断题】在一定接触时间内,一定反应温度和反应物配比下,主反应的转化率愈高,说明催化剂的活性愈好。
A.
正确
B.
错误
查看完整题目与答案
【单选题】(2013·高考辽宁卷)—I’m afraid you have the wrong number. —Sorry！________.
A.
See you later
B.
I didn’t know that
C.
Hold on，please
D.
I hope I didn’t bother you
查看完整题目与答案
【单选题】I’m afraid you have to get your room ____________. It’s too dirty and messy!
A.
cleaning    
C.
to clean    C. cleaned    C. to be cleaned
查看完整题目与答案
【判断题】在一定接触时间内，一定反应温度和反应物配比下，主反应的转化率愈高，说明催化剂的活性愈好。
A.
正确
B.
错误
查看完整题目与答案
【多选题】合同担保的主要方式有( )
A.
保证
B.
抵押和质押
C.
留置
D.
定金
查看完整题目与答案
【简答题】--I’m afraid you have the wrong number. ---Sorry.______. A．See you later B．I didn’t know that C．Hold on please D．I hope I didn’t bother you.
查看完整题目与答案
【单选题】– My bike is missing. I can’t find it anywhere. – I’m afraid you have to buy .
A.
it
B.
one
C.
any
D.
few
查看完整题目与答案
【单选题】—Hello! May I speak to Lucy，please? —Sorry，I’m afraid you have the wrong ．
A.
way
B.
name
C.
number
D.
telephone
查看完整题目与答案
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