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【单选题】
下图电路中为理想的,电路中元件参数见图中标注,输入电压为ui1,则uo=()A.
uo=-ui1
B.
uo=2ui1
C.
uo=0
D.
uo=ui1
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【单选题】The prefix “multi-” as in multi-media means ________.
A.
many
B.
study
C.
small
D.
similar
【单选题】考虑如下数组$multi_array,怎样才能从数组$multi_array中找出值cat?( ) $multi_array=array("red",“green”,42=>"blue","yellow"=>array("apple",9=>"pear","banana", "orange"=>array("dog","cat","igauana")));
A.
$multi_array['yellow']['apple'][0]
B.
$multi_array['blue'][0]['orange'][1]
C.
$multi_array['yellow']['orange'][1]
D.
$multi_array['yellow']['orange']['cat']
【单选题】The ____________ theory is carried out in the state space, and can deal with multi-input and multi-output (MIMO) systems.
A.
classical control
B.
modern control
【单选题】The captain of a multi-crew aircraft rarely consults other members of the crew and discourages any verbal input from them in the course of a flight. This situation could be described as
A.
a shallow authority gradient
B.
a steep authority gradient
C.
strong leadership
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