【单选题】What did Mr. Wonka give each of them when they entered the Television-Chocolate Room
B.
A pair of dark glasses
C.
Channel changers (频道转换器)
【判断题】继电器不能直接用来控制电流较大的主电路。
【单选题】What did Mr. Wonka offer Mrs. Teavee when she felt sick in the lift?
B.
An Everlasting Gobstopper
D.
George's Marvelous Medicine
【简答题】继电器不能用来直接控制较大电流的主电路。____