可装设自同期装置的发电机容量为( )。
A.水轮发电机; B.100MW以上汽轮发电机;C.50MW以下汽轮发电机; D.100MW以下水轮发电机。
参考答案:A,B
患儿女,6个月。人工喂养,腹泻3天,每天10~20次,呈水样便,已12小时未排尿。体检:T37.5℃,意识模糊,四肢发凉,皮肤弹性极差,前囟及眼窝凹陷明显,可见颅骨软化,血清钠130mmol/L,血钾4.0mmol/L。诊断为病毒性肠炎(重型)、佝偻病。
该患儿在入院当晚已有排尿,脱水征消失,半夜突然全身抽搐,两眼上翻,应考虑()
A.心力衰竭
B.低血糖
C.低钠血症
D.低钙血症
E.低钾血症
用括号内所给代词的适当形式填空
1. ______ are the students in Class. ______ English teacher is Mr Green. (they)
2. ______ are a new student. ________ books are over there. (you)
3. ______is a Japanese boy. ______ name is Bill. (he)
4. This is Lucy. _______ is a girl. That is ______ desk. (her)
5. ______ is Mimi. _______ English name is Joy. (it)