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发布时间:2023-10-23 05:42:30

[单项选择]An alternative to plain old telephone service (POTS) would be:()
A. X.25.
B. Asynchronous transfer mode (ATM).
C. VoIP.
D. Public Switched Telephone Network (PSTN).

更多"An alternative to plain old telepho"的相关试题:

[单项选择]

Although she scrubbed the old pot thoroughly, she could not make it look completely clean.()


A. disinfected
B. scoured
C. rinsed
D. scratched
[单项选择]I was surprised when the coffee pot was taken away because I ______ .
[单项选择]The pot unearthed last month has been found to be a fake and to be ______.
A. valueless
B. invaluable
C. unworthy
D. priceless
[单项选择]Choose plain words so long as they convey your meaning.
A. 选择朴素的单词,只要能传达出你的意思。
B. 只要能表达你的意思,尽量选用简明的措辞。
C. 选择朴素的单词,才能够传达出你的意思。
D. 只要能表达你的意思,尽量选用拼写简单的单词。
[单项选择]The plain occupies the west, south and central parts of the continent, though considerable variations are to be found over so _______ an area.
A. expensive
B. expansive
C. extensive
D. intensive
[单项选择]A dog is a more demanding pot than a cat because ______.
[单项选择]John broke the coffee-pot, so his parents have to buy ______.
A. the other one
B. another one
C. other one
D. that one
[单项选择]It is very plain that such a life as this is far more ______ to health than that of the man who can afford little leisure for necessary rest in the course of the day.
A. conductive
B. constructive
C. conciliate
D. conducive
[单项选择]He described the shape of the pot with a {{U}}circular{{/U}} motion of his hand.
A. shaped
B. gravitational
C. square
D. round
[单项选择]The U.S. is known as a great "melting pot" because ______.
A. the weather in most part of land is hot
B. the land has several famous volcanoes
C. its people are of different nationalities from all over the world
D. its people are very friendly
[单项选择]The U. S. is known as a great "melting pot" because ______.
A. the weather in most part of land is hot
B. The land has several famous volcanoes
C. Its people are of different nationalities from all over the world
D. Its people are very friendly
[单项选择]The old gentle man ______ to be an old friend of his grandfather's.
A. turned in
B. turned over
C. turned up
D. turned out
[单项选择]"v-mail" service may provide a mail service together with ______.
A. pictures and sound
B. an "I miss you" message
C. letters and documents
D. a "Happy Birthday" serenade
[单项选择]The U. S. A. is known as a "Melting Pot" for its mixture of ______.
A. religions
B. nationalities
C. climates
D. habits
[单项选择]Old John was ill.
[单项选择]The U.S.A. is known as a“Melting Pot”for its mixture of _______.
A. religions
B. nationalities
C. climates
D. habits

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