单选题Yours truly， have been called upon to add location-based services into an existing controller-based wireless design which primarily encompasses handheld devices such as barcode scannersand cisco 7920 wireless ip phones. In which mode should you deploy

题目

单选题

Yours truly， have been called upon to add location-based services into an existing controller-based wireless design which primarily encompasses handheld devices such as barcode scannersand cisco 7920 wireless ip phones. In which mode should you deploy the additional access points to achieve the density required without excessive co-channel interference？（）

tracking mode

monitor mode

location mode

sniffer mode

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相似问题和答案

第1题：

Many modern critics of American literature have called Mark Twain, born Samuel Clemens, ______.

A. as America's greatest writer

B. was America's greatest writer

C. America's greatest writer

D. to have been America's greatest writer

正确答案：C
Call sb sth称某人为??。选项 C是正确的。

第2题：

在英式用法中，商业书信和亲友间书信都可以采用的结尾语为()

A、Yours faithfully

B、 Very truly yours

C、Yours respectfully

D、Sincerely yours,

参考答案：D

第3题：

The Grand Banks have been called the "wheat fields" of Newfoundland.()

此题为判断题(对，错)。

正确答案:√

第4题：

Everything （）if Albert hadn't called the fire brigade.

A、will be destroyed
B、will have been destroyed
C、would bedestroyed
D、would have been destroyed

正确答案:D

第5题：

Which of the following choices is informal complimentary close of business letters?

A.faithfully yours

B.yours sincerely

C.yours truly

参考答案:C

第6题：

Our workers have been checking the heating system since you called us. I()you it will perform. well soon.

A.argue

B. affect

C. assure

参考答案：C

第7题：

下列正确使用的结束语为()

A、Yours Faithfully,

B、 Faithful yours,

C、Yours truly：

D、Sincerely yours,

参考答案：D

第8题：

--I called you yesterday. A woman answered, but I didn't recognize her voice.

--Oh, it _________my aunt Jean.

A． must be

B． must have been

C． might be

D． can have been

正确答案：B
对过去情况的肯定推测应用“情态动词+have+过去分词”，且根据句意，可以推断B为正确答案。注意：can表示推测时通常不用于肯定陈述句。

第9题：

discovered that my baggage had been lost. I didn’t have any choice but to wait at the airport for five
hours while your employees tried to trace the whereabouts of my baggage. I left the airport without my
belongings as I had an important meeting to attend.
It has been one week, and I have not been contacted regarding my baggage. For this reason, I strongly
feel that I should be compensated for the items that were lost. I hope to hear from your office ( )the week.
Sincerely yours,
NATHAN HALL

A.within
B.from
C.since
D.near

答案：A

解析：

第10题：

Everything（）if Albert hadn't called the fire brigade.

A、will be destroyed
B、would have been destroyed
C、would be destroyed

正确答案:B

Yours truly， have been called upon to add location-based ser

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