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【单选题】
正弦波脉宽调制的英文缩写是()?
A.
PWM
B.
PAM
C.
SPWM
D.
SPAM
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【判断题】The team immediately found a 3-month-old baby near the woman’s body because they heard the baby’s cry.
A.
正确
B.
错误
【单选题】OCL 功率放大器如图所示,若 =12V , =8Ω ,忽略 ,则负载上得到的最大输出功率 为
A.
16W
B.
9W
C.
2.25w
D.
1.5w
【单选题】OCL功率放大器如图所示,若 =12V, =8Ω,忽略 ,则负载上得到的最大输出功率 为
A.
16W
B.
9W
C.
2.25W
D.
1.5W
【单选题】被誉为“20世纪最伟大的英语诗人”是( )
A.
庞德
B.
雪莱
C.
叶芝
D.
艾略特
【单选题】Immediately following the conference, the team ________ a document introducing the project.
A.
drafted
B.
disrupted
C.
precedent
D.
interim
【单选题】. The coach gave the team members a call immediately the results were announced ,_____them on their success .
A.
to congratulate
B.
congratulating
C.
congratulated
D.
having congratulating
【简答题】思考特装展位的造型分类有哪些?
【单选题】直线 x + y - 1 = 0 与直线 x - y - 5 = 0 的交点坐标是( )
A.
(2,-1)
B.
(3,-2)
C.
(-3,2)
D.
(3,-1)
【单选题】直线 x + y - 1 = 0 与直线 x - y - 5 = 0 的交点坐标是( )
A.
(2,-1)
B.
(3,-2)
C.
(-3, 2)
D.
(-3,-2)
【判断题】The team took Okene to the surface immediately.
A.
正确
B.
错误
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