题目

单词拼写 1.Am I _________(允许) to drive the car? 2. “May I see your       （执照） ?”The policeman said to the driver. 3. Don’t make friends with that_________ （愚蠢的）boy。 4.. —W hat’s the result?—My mother will make the _________(决定). 5. If you wok hard , you will          (成功 ) at last. 6 Students should be ________(教会) how to________（关心）about their parents. 7. We all think     __ （青少年）shouldn’t be allowed to stay at other’s home. 8 Staying up too late made him feel ________(困倦的)  in class 如图所示的电路，电源电压恒定不变。闭合开关S1后再闭合开关S2，电压表的示数将____，电路的总功率将____，电压表示数与电流表示数的比值将______（以上均选填“变大”、“变小”或“不变”）。若互换电压表和电流表的位置，再闭合开关S1、S2的情况下，______表将会烧坏。