【单选题】【消耗次数：1】
1000Base-SX使用的传输介质是（ ）。
①
STP
②
多模光纤
③
同轴电缆
④
UTP
参考答案：
复制
纠错
相关题目
随机题目
【单选题】
His manner was so pleasant that Bolla felt at ____ with him at once.
①
peace
②
large
③
ease
④
best
【单选题】
Research findings show we spend about two hours dreaming every night, no matter what we _________ during the day.
①
must have done
②
would have done
③
should have done
④
may have done
【单选题】
Joseph was very lucky ____ with his life; he almost did not get out of the room.
①
to escape
②
to have escaped
③
to escaping
④
to be escaping
【单选题】
The rescue team must have searched for the missing visitors
two days ago, _____?
①
mustn’ t they
②
haven’ t they
③
didn’ t they
④
hadn’ t they
【单选题】
____ is announced in the papers, our country has
launched a large scale movement against smuggling and fraudulent activities in foreign currency exchange deals.
①
What
②
As
③
Which
④
That
【单选题】
The ____ crown jewels are kept in the Tower of London.
①
valued
②
valueless
③
invaluable
④
usable
【单选题】
Though ____ rich, she was better off than at any other period in her life.
①
by means of
②
within her means
③
by all means
④
by no means
【单选题】
You ____ that letter to James. However, you didn’t.
①
ought to write
②
ought to have written
③
should write
④
should be writing
【单选题】
She found herself____ forward more eagerly to the holiday
at home.
①
looking
②
bringing
③
desiring
④
expecting