图中两个半岛的有关地理特徵的叙述，正确的是（  ）


①两个半岛的西部地区均有高大山脉
②两个半岛均为温带海洋性气候
③a点所在半岛受冰川作用影响，海岸线曲折
④b点所在半岛气候由南向北大陆性渐强

    People in the West didn't know coffee or tea two hundred years ago. They were 1 to drink them because they thought coffee or tea could kill a person. Once the king of England decided to find out 2 it was true.

    There were two brothers in prison(监狱) at that time.They would be killed 3 a few days because they did wrong. The king said, "I shall let them live but they must drink coffee or tea to the end of their lives. One brother must drink coffee and 4 must drink tea every day." And they followed the king's words.

    They both lived many years. At last, the elder brother died when he was eighty-three years old.The younger one died a few years later. After that, people 5 that coffee and tea were not bad to man.

下列比例尺在图幅大小相同时，表示内容最详细的是（　　）

如图所示，小芳用与水平方向成θ角的恒定拉力F拉动雪橇，使雪橇沿水平方向做直线运动．当雪橇运动的位移大小为x时，拉力做的功为（   ）