题目

Alzheimer’s disease（早老性痴呆病）is a major national health problem．Nearly 2 million Americans over the age of 65 have Alzheimer’s disease．It is a leading cause of death among the elderly．But Alzheimer’s disease is not confined（限于）to the aged．There may be a million or more people under the age of 65 suffering from the disease． At one time．people suffering from the disease were said to be“getting old”．The disease was thought to be a natural part of growing old，but it is now known that Alzheimer’s disease strikes young and old alike．It is an organi读“新疆示意图”，完成下列各题．（1）填出图中字母所代表的地理事物名称．A天山天山山脉  B阿尔泰阿尔泰山脉C昆仑昆仑山脉  D准噶尔准噶尔盆地E塔里木塔里木盆地（2）新疆的地形特点是可以概括为“三山夹两盆三山夹两盆．