重症哮喘病人痰液黏稠时，最有效的祛痰方法是（）
A.碘化钾
B.静脉输液
C.氯化铵
D.鲜竹沥
E.溴己新（必嗽平）
参考答案：B
柴油机每次循环实际进人气缸的新鲜空气量与理论上可能充满气缸工作容积的新鲜空气量之比值叫（）。
A.过量空气系数
B.空燃比
C.理论空气比例
D.充量系数
根据句意及所给的汉语提示，填写适当单词完成句子。
1. She likes _____(蔬菜) because they are good for her.
2. She has _____(午饭) at school every day.
3. I'm very _____(疲劳的) after the long walk.
4. She _____(通常) swims after school.
5. She has a dancing lesson on _____(周三).
