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【多选题】
检波器按工作原理划分可分为A.
速度型检波器
B.
加速度型检波器
C.
压电检波器
D.
光纤检波器
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】The size of a flat-screen television is given as the length of the screen's diagonal. How many square inches greater is the screen of a square 34-inch flat-screen television than a square 27-inch fiat...
A.
106.75
B.
213.5
C.
427
D.
729
E.
1,156
【单选题】The word 'screen' has many different meanings such as in a fire screen, a television screen. This is called______.
A.
hyponymy
B.
homonymy
C.
polysemy
D.
synonymy
【单选题】What's the author's attitude toward getting cigarettes out of screen?
A.
Inevitable.
B.
Optimistic.
C.
Indifferent.
D.
Skeptical.
【单选题】The policeman kept his eyes________on the screen of the computer to identify the criminal's footprints.
A.
fixing
B.
fixed
C.
to fix
D.
being fixed
【单选题】The policeman kept his eyes ______on the screen of the computer to identity the criminal's footprints.
A.
fixed
B.
fixing
C.
being fixed
D.
to fix
【单选题】It is required that______should be used during the poor visibility if the radar’s screen shows heavy sea returns．
A.
Gain Control
B.
Brilliant Control
C.
Anti-clutter Sea Control
D.
Sweep Intercept
【单选题】______should be used during the poor visibility if the rader’s screen shows heavy sea returns.
A.
Gain Control
B.
Brilliant Control
C.
Anti-clutter Sea Control
D.
Sweep Intercept
【单选题】The cinema has ______ screen,and it's ______ in the city. [ ]
A.
a big; biggest
B.
a big; the biggest
C.
big; biggest
D.
big; bigger
【简答题】促进了和 广西的联系,通航价值仅次于长江流量大、落差大、峡谷多、含沙量小、无结冰期。
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