【题目】（5分）在半径R=5 000 km的某星球表面，宇航员做了如下实验，实验装置如图甲所示，竖直平面内的光滑轨道由轨道AB和圆弧轨道BC组成，将质量m=0.2 kg的小球从轨道AB上高H处的某点静止滑下，用力传感器测出小球经过C点时对轨道的压力F，改变H的大小，可测出相应F的大小，F随H的变化如图乙所示。求：

【题目】 ——Do you think we can get there on time?

【题目】How much ______the new dress ______you?

【题目】 I didn’t say I like it. ________I was very much against it.

【题目】冥王星与其附近的另一星体卡戎可视为双星系统。质量比约为7:1，同时绕它们连线上某点O做匀速圆周运动。由此可知，冥王星绕O点运动的

【题目】She's such a quarrelsome woman. I don't know how you can ______ her.

【题目】 It was when I got back to my apartment ______ I first came across my new neighbors.

【题目】When___for his views about his teaching job,Philip said he found it very interesting and rewarding

【题目】With the changes in the world’s climate, dinosaurs died, but many smaller animals lived on. It was the of

【题目】下图为局部地区经纬网图。图中A点位于南纬70°，AB为晨昏线的一段；此刻，北京处于白昼；近期，C地日出时刻越来越早。读图回答下列各题。