【单选题】已知点P在抛物线y 2 =4x上,则点P到直线l 1 :4x-3y+6=0的距离和到直线l 2 :x=-1的距离之和的最小值为( )
【简答题】听对话,回答问题。 1. Which way helps the woman keep in good shape? A. Joining a health club. B. Doing exercise with special equipment (器材). C. Keeping to a special diet. 2. How often does the woman play tenni...
【单选题】已知点P在抛物线y 2 =4x上,则点P到直线l 1 :4x﹣3y+6=0的距离和到直线l 2 :x=﹣1的距离之和的最小值为 [ ]
【简答题】已知点P在抛物线y 2 =4x上,则点P到直线L 1 :4x-3y+6=0的距离和到直线L 2 :x=-1的距离之和的最小值为______.
【简答题】点 P ( - 1,4) 到直线 3 x - 4 y - 6=0 的距离等于 .
【简答题】听下面一段材料,回答第1-3题。 1. Which of the following is NOT right? A. The people in Japan are much busier. B. There are many tall buildings in Japan. C. It's much colder in the north of Japan in winter than it ...
【简答题】Watch Video 2 again, and identify the speaker’s assertion, evidence and significance. Determine which three sentences from the following table are used as evidence1. Five stages of consumer decision m...
【单选题】点 P ( - 1,4) 到直线 3 x - 4 y - 6=0 的距离等于
【单选题】田中さん( ) くださった ケーキを 食べました。