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Summer is the season of family travel.    36    Here are our top 5 things to teach your children before entering big crowds: How Far They Can Go —    37   For young children, you should set a rule of always holding a parent’s hand. For older kids, you may be comfortable with a “I can always see you and you can always see me” rule. To Call Your Real Name — Teach your children that you will find them, so it’s best if they stay in one place. What’s more, teach them to call out your full name instead of “Mommy” or “Daddy” to help you more easily find them. 请将植物开花、传粉、受精之后，子房内部结构演变与其结果用线连接起来．子房壁　　　　 胚受精卵　　　　 果皮胚珠　　　　　 果实子房　　　　 　种子．