对磨煤机分离器出口温度的控制在磨煤机的启动及运行过程中包括哪两个阶段？
参考答案：
第一阶段：磨煤机预暖阶段；第二阶段：磨煤机出口温度正常调节阶段
Choose and write. (把下面的单词分类)
Word List
swim taller toothache cold skating danced play football
fever younger sang stronger ate funnier headache saw skiing
1.Comparative degree (比较级): ________________________________________
2. Sickness (疾病): ____________________________________________________
3. Sports: ________________________________________________________
4. Past tense (过去式): _________________________________________________
子宫脱垂病因错误的是
A．分娩损伤宫底肌肉、韧带
B．未产妇及处女不可能发生
C．腹压增加，慢性咳嗽、便秘
D．盆腔巨大肿瘤，腹水压迫
E．体质虚弱，慢性疾病
