将如图沿线折成一个正立方体，把每个顶点相连的三个数字相加，求可得的最大值．
解：根据分析，折后的立文体如图：
折成后的立方体的上面、前面和右面上的数字分别是5，3，6，它们的和最大．
右图是著名画家达•芬奇的代表作《蒙娜丽莎》，它是一位少妇的肖像 摆脱了宗教题材的束缚，惟妙惟肖地刻画了一位市民妇女的温柔与典雅 ,这幅作品体现的核心思想是（ ）
鸡蛋中含有大量蛋白质，这些蛋白质在消化道内完全消化后的产物是
根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。
It is August in Qingdao. It's very 1 here. Now, there are many people 2 vacation. They go to the beach and have 3 good time there. Today is 4, and it is not very hot. On the beach, a lot of people 5 to their friends 6 looking at the beautiful sea. Some of them are 7. Others are taking 8. Can you find 9? I'm the boy in blue shorts. I'm going to surf. It's 10.
在下面四幅图中正确表示地球自转方向的是（ ）
