【单选题】The lion is consiered the king of the forest as it is a(n)______ of courage and power. [ ]
【单选题】AC and DC generators are similar in that they ______.
A.
both rectify the voltage
B.
are constructed at the same physical size for the same kilowatt rating
C.
both generate alternating voltages
D.
both supply three-phase power
【单选题】The lion is considered the king of the forest as it is a (n) _______ of courage and power.
【单选题】—How do you make noodles? —_______ , cut up the tomatoes and beef. Next, boil the noodles. [ ]
【简答题】为了明显地表示地势变化,纵断面图的竖直比例尺是水平比例尺的 倍。