【多选题】如(b)图所示,除星下点外,P1、P2、P3、P4各点的成像均受到地球曲率的影响。将之简化为(a)图,选择F(地球切平面)作为投影平面,则在对图像进行几何校正时,校正的目的是将图上点 校正到点 的位置。
【简答题】D Have you ever thought about what determines the way we are when we grow up? Remember the TV program Seven Up? It started following the lives of a group of children in 1973. We first meet them as wid...
【简答题】假设从空中R点看到地表的纬线m和晨昏线n如图所示。R点在地表的垂直投影为S。据此完成1~3题。 1、S地的纬度 [ ] A、与M地相同 B、介于M、N两地之间 C、高于N地 D、低于M地 2、如果在位于大陆上的N地看见太阳正在落下,则这一时期 [ ] A、S地的白昼比N地长 B、美国加利福尼亚州火险等级高 C、巴西东南部正值雨季 D、长江口附近海水盐度处于高值期 3、若R点沿直线R...
【单选题】What is suggested about the telephone operators?
B.
They are on a business trip.
C.
They are currently not on duty.
D.
They are shifting their duties.
【单选题】What is implied or suggested in the passage?
A.
T here are more plants today than ever before .
B.
P eople like to use plants as decorations in their houses .
C.
P eople move plants into their houses to save them .
D.
T he uses of windows in the past were not practical .
【简答题】完型填空。 Are you good at understanding body language? You are probably 1 than you think, according to the experts. What is body language exactly? 2 , it is signals made by body movement, gesture and eye ...
【简答题】When we grow up, we always want to prove that fathers are ________ and we are ________.
【单选题】如图所示,若直线平行于某一投影面,则在该投影面上的投影( )
【简答题】阅读理解 Have you ever thought about what determines the way we are when we grow up?Remember the TV program Seven Up?It started following the lives of a group of children in 1973.We first meet them as wid...
【单选题】假设从空中R点看到地表的纬线m和晨昏线n如图所示。R点在地表的垂直投影为S.据此完成: S地的纬度 A.与M地相同 B. 介于M、N两地之间 C.高于N地 D. 低于M地 如果在位于大陆上的N地看见太阳正在落下,则这一时期 A.S地的白昼比N地长 B. 美国加利福尼亚州火险等级高 C.巴西东南部正值雨季 D. 长江口附近海水盐度处于高值期 若R点沿直线RS A.上升,看到m、n的两交点间...