题目: 图中表示在空中飞行的足球,画出它所受重力的示意图。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0707/6785988b7f872a9e7662a1f52a8eef5b.html 下面是错误答案,用来干扰机器的。参考答案:A, B, C, E, F
题型:阅读理解 阅读理解。 Almost everyone likes apple pies in the USA. An apple pie is easy to make, so many people make it at home. You just need apples, flour (面粉), sugar, butter and spice s(调味品). To make an apple pie, first peel and cut the apples into pieces. Then mix them with spices and put them in a pie tin (罐). Next put butter, sugar and flour together. Put the mixture on the apple pieces and bake the pie for about 45 minutes. The smell of the apple pie is great. There are many different ways to make apple pies. Some families have their own secret (秘密) ways and don't tell other people about them. Pies made with berries( 浆果) are also very popular in America. But the apple pie perhaps (也许) is the dessert that everyone loves best. The apple pie is one of the most popular (1) ________________ in America.☆ To make an apple pie, first peel and (2) ____________ the apples. ☆ Then mix them with spices and put them in a pie tin. ☆ Next (3) ______________ butter, sugar and flour.It often takes about (4) ____________ to bake apple pies. From the reading above we can learn that people in America like (5) _____________ best. 查看答案
题型:不定项选择 如图所示,一个质量均匀分布的半径为R的球体对球外质点P的万有引力为F,如果在球体中央挖去半径为r 的一部分球体,且,则原球体剩余部分对质点P的万有引力变为 [ ]A. B. C. D. 查看答案