【简答题】He spoke very loudly. He wanted everyone in the room to hear what he said. (rerite it with "so that")
【单选题】当静电电压大于(),一般零件都可能被损坏或降低等级。
【简答题】为什么我的眼里常含泪水? __ ……(艾青《我爱这土地》)(2016江苏南京中考语文试题)
【单选题】将 正 弦 电 压 u =10 cos( 314 t + 30 ° ) V 施 加 于 电 阻 为 5 W 的 电 阻 元 件 上, 通 过 该 元 件 的 电 流 ( )。
B.
2 cos( 314 t +30 ° ) A
C.
2 cos( 314 t - 30 ° ) A
D.
2 cos( 314 t - 60 ° ) A
【单选题】He spoke very loudly ______ everyone in the room could hear what he said.
【单选题】将正弦电压 u = 10 cos( 314 t +30 ° ) V 施加于感抗 Z L = j5 W 的电感元件上,则通过该元件的电流 i
A.
50 cos( 314 t +90 ° ) A
B.
2 cos( 314 t +60 ° ) A
C.
2 cos( 314 t - 60 ° ) A
【单选题】当静电电压大于( ) ,一般零件都可能被损坏或降低等级。
【简答题】根据句意,用方框中所给单词的适当形式填空。(每小题1分,共5分)。 polite work write speak understand 小题1:Mr. Green spoke very loudly so that he could make himself___________ at the meeting. 小题2:There are many English ______...
【单选题】将正弦电压u=10cos(314i+30°)V施加于如图所示的电阻元件上,则通过该元件的电流i=()