阅读短文，回答下列问题。

    I'm Jim. Today is my birthday. I want to thank my family for their love. So I cook dinner for them. I know my mother likes hamburgers and salad. But my father likes chicken and tomato soup(汤). I have a brother. He likes hamburgers, too. But he doesn't like salad. He likes carrots. I have a sister, too. She likes fish(鱼肉) and bread. I like chicken and strawberries. I will buy these things for the birthday party.

— What's the matter with the computer?

—It is dead now.

人被蚊虫叮咬后，蚊虫在人的皮肤内分泌出蚁酸，使叮咬处又痛又痒．化学小组的同学对蚁酸产生了浓厚的兴趣，决定对其进行探究．

七选五

A. running away is anything B. they often find them in risky situations C. it may be natural D. these kids are more easy to get affected(感染) E. no one cares about them F. you probably imagine

    When you think about running away,  ____ that there will be no more rules, no parent to tell you what to do, no more fights. Sounds great and exciting, right? In fact,____ but fun. Kids who run away face new problems like not having any money, food to eat, a safe place to sleep, or anyone to take care of them.
    People with no home and no money become ready to do anything just to meet their everyday needs. Because of this,____ that would be terrible even for adults. Runaway kids join in dangerous crimes(犯罪) much more often than kids who live at home.
    Kids who live on the streets often have to steal(偷) for a living. Many take drugs to get through the day because they become so sad and feel that____. Some are forced(被迫) to do things they wouldn't normally do to make money. The number of kids with HIV or AIDS and other diseases is higher on streets, too, because  ____. This problem is attracting more and more attention.

俄罗斯名言说，“忘记过去，失去一只眼睛；沉溺于过去，失去双眼。”这启示我们
①辩证否定的实质是“扬弃”      ②事物之间的联系构成事物的变化发展
③矛盾双方向相反方向转化        ④矛盾的同一性寓于矛盾的斗争性之中