关于台湾省自然环境的叙述，正确的是

已知质量分布均匀的球壳对其内部物体的引力为零，设想在地球赤道正上方高h处和正下方深为h处各修建一绕地心的环形真空轨道，轨道面与赤道面共面，两物件分布在上述两轨道中做匀速圆周运动，轨道对它们均无作用力，设地球半径为R，则（   ）

    Once upon a time, there lived a rich man. He had a servant (仆人). He and the servant loved wine and good food very much. The servant always drank the wine and ____ (eat) up all the nice food in the house every time the rich man left his home. The rich man knew what his servant did, ____ he had never caught his servant doing that.

    One morning, when he left home, he said to the servant, "Here ____ (be) two bottles of poisons (毒药) and some nice food in the house. Take care of them." After ____ (say) these words, he went out.

    But the servant knew that the rich man lied to ____ (he). After the rich man was away ____ his home, he enjoyed a nice meal. Because he drank too much, he was drunk and fell to the ground. When the rich man came back, he couldn't ____(find) his food or his wine. He woke the servant up ____ (angry). But the servant told his story very well. He said ____ cat ate up everything. He was afraid to be punished (惩罚), so he drank the poisons ____ (kill) himself.