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【判断题】
在保证信号传输质量的前提下，同轴电缆SYV-75-5传输视频信号的最大传输距离为500米。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】Arabs, Southern Europeans would NOT like to touch people, while Japanese, North Americans like to touch others.
A.
T
B.
F
【单选题】Some people get in touch with each other by mobile phones__________ others keep contact with each other by e-mail.
A.
when
B.
before
C.
while
D.
since
【单选题】Sometimes she talks with Mary over ________ telephone，that is to say，they keep in touch with each other by ________ telephone.
A.
the；/
B.
/；/
C.
/；the
D.
the；the
【简答题】看图选择正确答案。 ( ) 1. A. Touch your head. B. Touch your hand. ( ) 2. A. Jump like a squirrel. B. Climb like a bear. ( ) 3. A. Clap your hands. B. Stamp your foot. ( ) 4. A. Close your book....
【单选题】在SUN平台下，双机倒换时，由物理主机hwhlr-ph1上切换到物理主机hwhlr-ph2上，需要执行的命令是（）
A.
scswitch-z-ghlr_rg-hhwhlr-ph2
B.
scswitch-z-ghlr_rg-hhwhlr-ph1
C.
scswitch-z-Ddatadg-hhwhlr-ph2
D.
scswitch-z-Ddatadg-hhwhlr-ph1
【单选题】The______leaves of this tree touch my heart like the fingers of an infant child.
A.
tremble
B.
trembling
C.
trembled
D.
tremblingly
【单选题】Some people get in touch with each other by mobile phones__________ others keep contact with each other by e-mail.
A.
while
B.
before C .when
C.
since
【单选题】MHMD022P1U 中最后一个 2 表示
A.
4.MHMD022P1U 中最后一个 2 表示
B.
Ｂ、电压规格为２００Ｖ
C.
Ｃ、脉冲数
D.
Ｄ、分辨率为２０００
【判断题】Arabs, Southern Europeans would NOT like to touch people, while Japanese, North Americans like to touch others.
A.
正确
B.
错误
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