某地以耕地、森林、淡水、矿产测得的各自所能供养的人口数量分别为8000、6000
题型：选择题
问题：
某地以耕地、森林、淡水、矿产测得的各自所能供养的人口数量分别为8000、6000、4500、10000，则该地的环境承载力取决于
A．耕地
B．森林
C．淡水
D．矿产
题型：选择题
请阅读下面短文。根据短文内容从下面方框内的七个选项中，选择五个还原到文中，短文意思通顺、结构完整，并在答题卷上讲其序号涂黑。（每小题2分）
小题1: I like it because although it’s hard work, every day is different! It all depends on what is wrong with the animals that come in.
At my clinic(诊所), I work long days on Mondays, Wednesdays and Fridays, and short days on Tuesdays, Thursdays and Saturdays. Sunday is my day off so I can spend some time with my family.
小题2: My clerk opens the door, turns on some music, and makes everyone a cup of tea or coffee. My assistant cleans and feeds the animals. The phones start to ring and people make appointments. This is a very busy time of day!
At 9 am, pet owners start to arrive with their sick pets. Appointments take up the whole morning. 小题3: I don’t examine（检查）any new sick animals. I use these two hours to have lunch and do all my paperwork.
At 2 pm. I start to see sick animals again. At 5 pm, three students from a local school who love animals arrive to help out. 小题4: I am always happy to see their smiling faces!
From 5 pm to 7pm, I continue to see sick animals. Then, at 7 pm, we close our doors and the clean-up begins! We tidy the clinic, and feed and clean the animals. Of course,we also stroke(轻抚)them and give them hugs! Then, we turn off the lights and go home. 小题5:
I’m very happy being a vet, though unexpected things sometimes happen!
