简述生菜常出现的生理病害及其防止途径。

根据短文内容，完成下列句子。

John: I'm 15 years old and I love football. I also like reading, especially (尤其是) stories about people

         from other countries. I don't enjoy singing or playing computers. I think that rock music is terrible.

Ann: Hi, I'm Ann. I'm 16 and I like dancing and computers. I also like rock music. I hate hiking and I'm

        not interested in classical music. I don't enjoy reading too much.

Steve: I'm 14 years old and I love skiing. Other favorite hobbies are reading and singing. I don't like

           hiking. I think that rock music is too noisy and I think that football is boring.

Peter: I'm from Australia. I'm 15 and I am fond of singing. I sing a lot, and when I'm not singing, I listen to

          rock music or use my computer. I don't like football and I think that classical music is terrible. I hate

          dancing!

Sarah: My name is Sarah and I'm 14 years old. My interests are reading novels, playing football and 

           singing songs. I think that rock music is terrible, and I don't like dancing. I don't enjoy computers,

           either.

Joe: Hi, I'm Joe. I really like computers. I surf the Internet all the time and I like playing computer games.

       I don't enjoy football and I hate hiking. Rock music is OK, and so is skiing.

1. Steve is a _____ boy, Ann is a _____ girl, but we don't know Joe's age.

2. _____, _____ and _____ don't like hiking.

3. John and Sarah could be friends, because they both like _____.

4. Ann and Sarah could not be friends, because they _____.

5. Who do you want to be friends with?

    _____, because _____.

施工方案是投标报价的一个前提条件，也是招标人评定中标人的依据之一。施工方案应由()主持制定。

A.投标代理机构

B.投标企业的技术负责人

C.监理机构

D.招标管理部门

读下图，然后回答问题：

（1）根据上述图片并结合所学知识完成下表

图序	典型人物	主要事件	重要文献
图1	①	领导了美国独立战争	②             的发表，标志着美国的诞生
图2	林肯	③	《解放黑人奴隶宣言》的颁布，使北方获得了雄厚的兵源，从而扭转了战局
图3	罗斯福	实施了罗斯福新政	④            的颁布，加强了国家对工业生产的控制和调节，是新政的中心措施

（2）通过以上问题的探究，谈谈美国发展道路上有哪些值得我们借鉴的成功经验？

有机质土的成分代号为（）。

A.B

B.O

C.F

D.S

健康促进干预规划应（）

A.改变饮食习惯

B.使生活规范化

C.养成良好生活习惯

D.促成和强化健康行为的形成

E.促进疾病的康复