问题
判断题
对倾斜入射到地面的天波,发射水平极化波的电矢量总是与地面平行,发射垂直极化波的电矢量不再与地面垂直。
答案
参考答案:错
对倾斜入射到地面的天波,发射水平极化波的电矢量总是与地面平行,发射垂直极化波的电矢量不再与地面垂直。
参考答案:错
完形填空。 | ||||
One day Tom was driving a taxi through a busy street. 1 a young man stopped his car and 2 his taxi. "To the station, hurry up!" he said. Tom did his 3 , but at every crossing there was a red light. The young man shouted, "Be 4 ! I don't want to miss the train." Tom shouted back, "I don't want to die here!" At that time he turned back and noticed the young man's face. "Oh , he is 5 thief." He thought, "I saw his face in the newspaper." 6 Tom had an idea. He drove 7 the red light and found a police car running 8 him. "Stop!" The young man said and jumped 9 . Tom caught hold of him and cried." Give me the money!" Just then two policemen came 10 . "He is the thief." Tom said. They caught the young man at once. "You did a good job. Thank you!" the policemen said to Tom. | ||||
|