用于模拟疏散大量被很多障碍围困的人的模型是（）。 A.STEPS B.Simulex

阅读理解。

     There is a small zoo next to my home. It's a Sunday morning. I'm visiting

the zoo with my parents. There is a lion,two monkeys,a giraffe,two camels,

and a wolf at the zoo. What are they doing? Let me tell you. The lion is eating meat. The black monkey is eating bananas and the brown(棕色的)one is

climbing a tree. The giraffe is lying on the floor. What are the camels doing? They are eating leaves. What is the wolf doing? Sorry,I don't know. I can't see it clearly(清楚地). A tall man is standing in front of me.

阅读短文回答下列问题。

1. What day is it today?

2.How many wolves are there at the zoo?

3.What is the lion doing?

4.What is the brown monkey doing?

5.Are the camels drinking water?

以下叙述中正确的是（ ）。

A．构成C++语言程序的基本单位是类

B．可以在一个函数中定义另一个函数

C．main()函数必须放在其他函数之前

D．所有被调用的函数一定要在调用之前进行定义

关于遗忘的说法，正确的是()

A．遗忘是指识记、保持及再认过程均出现障碍

B．指部分或全部地不能回忆以往的经历

C．逆行性遗忘是指不能回忆疾病发生之前某一段时间的经历

D．遗忘是不可逆的

E．多见于脑部病变，如外伤或急性脑血管疾病

软件按功能可以分为：应用软件、系统软件和支撑软件(或工具软件)，下面属于系统软件的是( )

A．编辑软件
B．操作系统
C．教务管理系统
D．浏览器

在建设工程合同中，发包人未按照约定支付价款的，承包人可以催告发包人在合理期限内支付价款。发包人逾期不支付的，可申请人民法院将该工程依法拍卖，就工程价款拍卖后优先得到清偿的顺序是( )。

A．工程价款的支付优先受偿

B．该工程的抵押权人优先受偿

C．该工程的其他债权人优先受偿

D．该工程的留置权人优先受偿