根据平时的观察，一般容易找到苔藓植物的环境是 ( )
统一是中国历史发展的主流，我国历史上第一个大一统的朝代是（ ）
Student loan is supposed to provide financial support for people who would ______ not be able to go to college.
一位生命垂危的病人仍精神焕发，原因是医生告诉他只得了重感冒。你认为医生（ ）
