【判断题】三相对称负载 D 形联结时,线电流与相电流之间的关系为
【单选题】插画构图中较为常用的是对称式构图,其外形( ),呈各种规则的几何图形。
【单选题】What's your uncle? He's a ____________. [ ]
【单选题】三相对称负载 D 形联结时
A.
线电流等于相电流;线电流滞后相对应的相电流 30 ° 。
B.
线电流等于 1.732 倍相电流;线电流与相对应的相电流相位相同。
C.
线电流等于 1.732 倍相电流;线电流超前相对应的相电流 30 ° 。
D.
线电流等于 1.732 倍相电流;线电流滞后相对应的相电流 30 ° 。
【单选题】— The drunk driver wishes he _____ so many injuries in the accident. — But he _____. [ ]
【单选题】What is the author's interpretation of the driver's reluctance 'to wait outside the Chemical bank'?
A.
The driver thought that the rate for waiting time was too low.
B.
The driver thought it wrong to support a taxi rider unconditionally.
C.
The driver was frightened and wanted to leave him as soon as possible.
D.
The driver wanted to go home and relax.