【判断题】乔家大院位于山西省平遥县,是清代北方民居建筑的典型代表。
【单选题】What does "being on the horns of a dillemma" mean?
A.
being in a situation with two good choices
B.
being in a situation with one good choice and one bad choice
C.
being in a situation with two bad choices
D.
being in a situation with no choice
【单选题】What does their boss emphasize on?
A.
Keeping everything in order
C.
Being careful about everything
【判断题】乔家大院位于山西祁县乔家堡村正中,始建于清乾隆、嘉庆年间,是清代赫赫有名的商业金融资本家乔致庸的宅院。
【简答题】简述各自家乡目前环境污染或生态破坏的现状,分析其形成原因,并根据生态学的相关原理,提出自己的整治建议。 2、 论述生态系统的稳定机制及反馈调控。 3 、简述我国人口政策的生态学依据,并试述当地的生育政策变化的原因。 4 、论述捕食者与猎物的协同进化。以例子说明情况。