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【单选题】
一种只能在物理层起到放大或再生微弱信号的作用,可以用来增加传输介质的长度的设备是( )。A.
中继器
B.
网桥
C.
网关
D.
路由器
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】A．choose B．use C．hold out D．pick out
【简答题】It is very (consider) ______ of you to look after my garden during my absence.
【单选题】Owing to no hotel to book, I have to ______ with my friend during my visit to Swiss.
A.
lodge
B.
entertain
C.
register
D.
fulfill
【简答题】He placed his house at my d______ during my holidays.
【单选题】Today Tom’s father will drive his car to______Tom______. [ ]
A.
pick; out
B.
pick; up
C.
pick; off
D.
pick; from
【单选题】One can ______ BBC _____ the air early with his Short-wave radio.
A.
pick up; on
B.
pick out; over
C.
pick up; through
D.
pick up; by
【单选题】— Will you see to _____ that my apartment is cleaned during my absence? — No, problem. [ ]
A.
everything
B.
all
C.
yourself
D.
it
【单选题】He placed his house at my ______ during my holidays.
A.
willing
B.
disposal
C.
will
D.
disposition
【单选题】I accepted my nose surgery, the ____ and patient doctor was really helpful during my recovery period.
A.
graceful
B.
greedy
C.
gracious
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