2015年成人高考专升本每日一练（第二十二期）

单项选择题
1、 生态系统的发展趋势是（　　） 
A．熵值提高
B．总生产量／群落呼吸量大于1
C．生态位加宽
D．某小类群占优势的情形趋于减少 
2、 下列有关物质循环叙述正确的是（　　） 
A．物质循环包括碳循环、磷循环、水循环、氮循环等
B．各物质循环是相互独立的
C．物质循环与能量流动无关
D．物质循环对生态系统中的生物无任何影响 
3、I think I have persuaded Jenny to come________ to our point of view
A．in
B．around
C．over
D．along with
4、A．committee
B．employee
C．guarantee
D．disagree
5、 回答题
Earth is the only 21we know of in the universe that can support human life.22 humanactivities are making the planet less fit to live on．As the western world 23on consuming two-thirds of the world' s resources while half of the world' s population do so 24 to stay alive we are rapidly destroying the25resource we have by which all people can survive and prosper．Everywhere fertile soil is 26 built on or washed into the sea．Renewable resources are exploited so much that they will never be able to recover 27We discharge pollutants 28the atmosphere without any thought of the consequences．As a 29 the planet' s ability to support people is being 30 at the very time when rising human numbers and consumption are 31increasingly heavy demands on it．The Earth' s32resources are there for us to use．We need food, water, air, energy, medicines, warmth, shelter and minerals to 33us fed, comfortable, healthy and active．If we are sensible in how we use the resources they will34indefinitely．But if we use them wastefully and excessively they will soon run 35 and everyone will suffer．

A．situation
B．place
C．position
D．site
简答题
6、性格是指由人习惯化了的行为方式的人格特性。
7、 在解决问题的阶段中，一般说先明确问题，再提出问题。
8、 简述遗忘的基本规律?
9、我国普通学校应贯彻的德育原则有哪些？
10、求