【单选题】Washington D.C. is named after___________.
A.
the U.S. President George Washington
C.
both George Washington and Christopher Columbus
【单选题】What does the author say about the weather?
A.
It is rare for Washington,D.C. to have such long rainy days.
B.
It has been mining since Sept 26th for the most of the time.
C.
It is favorable to the manufacturers to promote solar equipment.
D.
It has helped see the disadvantages of solar energy.
【简答题】如下图所示,求ab端口的开路电压值为 V。
【单选题】Washington D.C. is located between ( ) and ( ).
D.
West Virginia, Virginia
【单选题】Which state does Washington D.C. belong to?
【简答题】A. He just couldn't appreciate the music. B. He disagrees with the woman. C. He likes to play the piano. D. He also enjoyed the concert.