【单选题】Please choose the correct name for the following cloud (in the middle part in the figure).
【判断题】七穆指即郑七穆,是春秋时期郑国七家卿大夫家族的合称,包括驷氏、罕氏、国氏、良氏、印氏、游氏、丰氏。
【简答题】In the middle part of the city
【单选题】The author states that textbooks written in the middle part of the nineteenth century ______.
A.
departed radically in tone and style. from earlier textbooks
B.
mentioned for the first time the value of liberty
C.
treated traditional civic virtues with even greater reverence
D.
were commissioned by government agencies
【单选题】对称正弦三相电压源星形联接,若相电压 u A =100 sin( ω t- 60 ° )V ,则线电压 u AB = ( ) V 。
【单选题】In the roof, the main ridge is raised in the middle part and vertical ridges are added to both ends of the raised part.