营养器官只能贮存或提供营养，不能生殖；生殖器官只能生殖不能贮存或提供营养．　 

饮食结构不合理就可能引起维生素缺乏症，如果某成年人的体内长期缺乏维生素A和维生素D，那么此人就会患（　　）

下图是沿第二亚欧大陆桥中国段的年降水量和年太阳辐射量分布图。读图回答下列各题。

电视已经走进了千家万户，是我们生活的重要组成部分。每个人都有自己最喜爱的电视节目。下面是五个人的描述，请根据他们的描述从A-F中为他们选择合适的电视节目。
____ I am 73 years old. I often watch TV in my free time. Of all the programs, I like the news best. Through the TV, I can learn what is happening in our country and in the world. At seven every evening , I always sit in front of the TV.
____ I am a grandma. I like Chinese traditional opera. From Monday to Thursday, I usually turn on the TV at half past seven. The programs from CCTV7 are my best.
____ I am a basketball fan. I like playing basketball very much. But I am too busy. So I have to watch it on the TV. Every night, I watch the match till midnight.I am crazy about it , especially NBA
____ I am a housewife. I do the housework all day, I’d like to watch TV at night. I prefer to see soap operas like ‘palace”, “meteoric garden” and so on.Because they can make me feel relaxed.
____ I am the only son in the family. I am in Grade Five. I like cartoons best. I often watch cartoons on the TV after doing the homework.
 
A   B
 
C                         D                     
 
E                         F.

重新排列下面句子的顺序，组成语意连贯的一段话，正确的顺序应该是（   ）

①尤其是不要忽视老人的每一个细小的请求。
②生命无常。
③因为有着这样一个遗憾，所以我时常提醒自己，善待身边的每一个人。
④或许是他走这个世界寻求的最后一丝温暖。
⑤那或许会成为他生命中的最后一个留言。
⑥尤其是走人暮年的生命更是薄如蝉翼，让人无法预料。