可以感染肺结核的途径包括（）
外阴鳞状上皮增生的主要病理变化包括（）
翻译：Si nee the premium varies with the scope of in sura nee, extra premium is for buyer's aeeo unt, should additi onal risks be covered.
新闻事业的政治倾向性主要表现为（）
If you are too ________ of your children, they will never learn to deal with difficulties in life.
