It's a fine day today. The children are playing with their toys.

    Amy has a new plastic cup. It's red. Mike has a new toy truck. It's purple and green. Sarah has a lollipop. It's orange. John has a new bucket. It's green. Bob has a yellow balloon, it's nice.

    Mike and Bob are sharing their toys with others. How happy they are!

根据短文内容，判断正误。

有两个鸡蛋，一生一熟，让它们在光滑的水平桌面上以同样的速度同时开始转动：

甲同学骑自行车去看望乙同学，得知消息后，乙同学步行去迎接，接到后同车返回，整个过程他们的位置与时间的关系如图所示，据图可知（　　）

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某单位职工的平均年龄为40岁，其中男职工的平均年龄为50岁，女职工的平均年龄为35岁，那么男女职工人数之比为（　　）