采煤工作面“追机作业”属于什么的范畴?
参考答案:
属于劳动组织范畴。
病人口腔有异味,去除口臭宜选用哪种含漱液
A.生理盐水
B.朵贝尔液
C.0.1%醋酸
D.1%~2%碳酸氢钠溶液
E.2%~3%硼酸溶液
— The doctor told me____ too much but I find it difficult.
— The doctor is right. The less you drink, ______ you will be.
A.don't drink; the healthier
B.not to drink; the healthier
C.not to drink; the more healthier
D.don't drink; healthier