From points A and B on the ground,the angles of elevation for a certain tree are 41° and 52° respectively.The angle formed at the base of the tree between points A and B is 90°,and A and B are 30m apart.if the tree is perpendicular to the ground,w

From points A and B on the ground,the angles of elevation for a certain tree are 41° and 52° respectively.The angle formed at the base of the tree between points A and B is 90°,and A and B are 30m apart.if the tree is perpendicular to the ground,w 求英语大神作一篇阅读!1. The underlined word "point" in paragraph 3 is in fact the point E ___________.A. that is in the same straight line as the points C and B and far away from themB. from which the points D and A can be seen to The boys,Dudi and Gani,run back and forth between two points A and B at a constant speed without stopping.Dudi,s speed is 1.5 times Gani,s speed.Dudi runs from A to B while Gani from B to A.They both start at the same time.the two boys meet for the f 一道A-Level物理题A and B are points on the same line of greatest slope of a rough plane inclined at 30° to the horizontal.A is higher up the plane than B and the distance AB is 2.25m.A particle P,of mass m kg,is released from rest at A and reac 英语翻译1,this direction is a compromise that points away from the system of charges q1 and q22,the angle α is below the x-axis3,But a more fruitful way to visualize the repulsion between A and B is as a two-stage process4Then body B,as a result 一道A-Level物理题(越快越好)A and B are points on the same line of greatest slope of a rough plane inclined at 30° to the horizontal.A is higher up the plane than B and the distance AB is 2.25m.A particle P,of mass m kg,is released from rest A and B differ from each other You may realize your strong points and weak ______.A one B it C ones D the ones He got 97 points,____ second in this English test.A.ranked B.ranking C.and ranking D.to rank He got 97 points, ____ second in this English test. A. ranked B. ranking C. and ranking D. to rank The park keeper( )a sign on the grass a.points inThe park keeper( )a sign on the grassa.points in b.points to c.points with 是distinguish A and B还是distinguish A from B还是distinguish from A and Earn points for doing the things you already do.Earn points when you trade, refer other users, and from trades your referred users perform.Trade points on the exchange - use points to enter weekly drawings for prizes. 英语翻译R is the set of all points within the triangle ABC which are nearer to B than to A and whose distance from C is less than CB.On the diagram on the answer sheet,draw accurately the boundary of R and indicate carefully the region R by shadi east points right ,-------points left.a west b north c south her mother__________a sign over there A.points b.point to c.points to D.pointing At the ___of the gun,the runners dashed from their starting points.A sight B hearing C sound D shotD项为什么不行呢?求详解 Two boys,Dudi and Gani ,run back and forth between two points A and B at a constant speed .Two boys,Dudi and Gani ,run back and forth between two points A and B at a constant speed without stopping.Dudi's speed is 1.5 times Gani's speed.Dudi runs fro