关于群落与环境关系的论述,不正确的是( ) A.群落只是被动受环境制约 B.群落在

题型:单项选择题

问题:

关于群落与环境关系的论述,不正确的是( )

A.群落只是被动受环境制约
B.群落在环境制约下具有一定的分布和特征
C.群落可形成内部特殊环境
D.需要特殊环境的群落对环境具有指示意义

考点:专升本考试生态学基础专升本生态学基础
题型:单项选择题

任务型阅读。

    Mr Mason is standing in front of a car. He is looking at it. It is a beautiful car and it is very big. Mr Mason

likes big cars. A policeman is standing behind Mr Mason. He is looking at the car, too. He is writing in a

notebook. Now he is giving a piece of paper to Mr Mason.

Policeman: Excuse me, sir.

Mr Mason: Yes?

Policeman: This is for you.

Mr Mason: What is it?

Policeman: It's a ticket.

Mr Mason: A ticket?

Policeman: Can you see the sign?

Mr Mason: Yes.

Policeman: It says "NO PARKING". You can't park your car in the street.

Mr Mason: This isn't my car.

根据上面的内容完成下面的句子:

1. The policeman is standing (1)_________________ Mr Mason.

2. This policeman gives Mr Mason a (2)__________________.

3. Mr Mason says that car isn't (3)__________________.

4. "NO PARKING" means you can't (4)________________ your car here.

5. The car is in (5)__________________.

题型:单项选择题

等差数列{an}的前n项和记为Sn,已知a1=12,a10=30.

(1)求通项an

(2)若Sn=242,求n的值.

题型:单项选择题

知识管理应用包括()。

A.拉式信息发布

B.编程语言

C.推式信息发布

D.数据采集与仓库

E.决策支持系统

题型:单项选择题

属于传导热的疗法是()

A.石蜡疗法

B.紫外线疗法

C.超短波疗法

D.毫米波疗法

E.红外线疗法

题型:单项选择题

五支曲棍球队进行循环赛,即每两个队之间都要赛一场。每场比赛胜者得2分,输者得0分,平局两队各得1分。比赛结果各队得分互不相同,并且

(1)第一名的队没有平过;

(2)第二名的队没有输过;

(3)第四名的队没有胜过。

问:全部比赛共平过几场?()

A.2

B.3

C.4

D.5

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