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A major reason for conflict in the animal world is territory. The male animal (21) an area. The size of the area is sufficient to provide food for him, his (22) and their offspring. Migrating birds, for example, (23) up the best territory in the order of "first come, first (24) ." The late arrivals may acquire (25) territories, but less food is available, or they are too close to the (26) of the enemies of the species. (27) there is really insufficient food or the danger is very great, the animal will not (28) . In this way, the members of the species which are less fit will not have offspring.When there is conflict (29) . territory, animals will commonly use force, or a (30) of force, to decide which will stay and which will go. It is interesting to note, however, that animals seem to use (31) the minimum amount of force (32) to drive away the intruder. There is usually no killing. In the (33) of those animals which are capable of doing each other great harm, (34) is a system for the losing animal to show the winning animals that he (35) to submit. When he shows this, the (36) normally stops fighting. Animals (especially birds), which can easily escape from conflict seem to have (37) obstacle against killing, and equally no mechanism (38) submission. The losing bird simply flies away. However, if two doves are (39) in a cage, and they start fighting, they will continue to fight until one kills the other. We all think of the dove as a symbol of peace and, in its natural habitat, it is peaceful. But the "peace" mechanism does not (40) in a cage. 25（）
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A major reason for conflict in the animal world is territory. The male animal (21) an area. The size of the area is sufficient to provide food for him, his (22) and their offspring. Migrating birds, for example, (23) up the best territory in the order of "first come, first (24) ." The late arrivals may acquire (25) territories, but less food is available, or they are too close to the (26) of the enemies of the species. (27) there is really insufficient food or the danger is very great, the animal will not (28) . In this way, the members of the species which are less fit will not have offspring.When there is conflict (29) . territory, animals will commonly use force, or a (30) of force, to decide which will stay and which will go. It is interesting to note, however, that animals seem to use (31) the minimum amount of force (32) to drive away the intruder. There is usually no killing. In the (33) of those animals which are capable of doing each other great harm, (34) is a system for the losing animal to show the winning animals that he (35) to submit. When he shows this, the (36) normally stops fighting. Animals (especially birds), which can easily escape from conflict seem to have (37) obstacle against killing, and equally no mechanism (38) submission. The losing bird simply flies away. However, if two doves are (39) in a cage, and they start fighting, they will continue to fight until one kills the other. We all think of the dove as a symbol of peace and, in its natural habitat, it is peaceful. But the "peace" mechanism does not (40) in a cage. 40（）
以下程序代码用来实现如下功能：单击命令按钮弹出对话框，在其中输入正数后单击确定，弹出一个提示信息显示刚才输入的正数，否则提示"error"。请填空。 Private Sub Command1_Click() Dim a As Integer，b As String a=InputBox("请输入一个正数") If a ＞ 0 Then ______ Else b=MsgBox("error"，0) End If End Sub
在窗体上画一个命令按钮，然后编写下列程序 Private Sub Command3_Click( ) Tcl 2 Tcl 3 Tel 4 End Sub Sub Tcl(a As Integer) Static x As Integer x=x + a Print x； End Sub 程序运行后，单击命令按钮，输出结果为
某综合楼工程项目的施工，经当地主管部门批准后，由建设单位自行组织施工，公开招标。 招标工作主要内容确定为：①成立招标工作小组；②发布招标公告；③编制招标文件；④编制标底；⑤发放招标文件；⑥组织现场踏勘和招标答疑；⑦投标单位资格审查；⑧接收投标文件；⑨开标；⑩确定中标单位；⑩评标；⑩签订承发包合同；⑩发出中标通知书。 现在A、B、C、D四家经资格审查合格的施工企业参加该工程投标，与评标指标有关的数据见表1-1。 表1-1 与评标指标有关的数据 投标单位 A B C D 报价/万元 3420 3528 3600 3636 工期/天 460 455 460 450经招标工作小组确定的评标指标及评分方法如下。 (1)报价以在标底价(3600万元)的(1%±3%)以内为有效标。评分方法是：报价以标底价减去其3%为100分，在标底价减去其3%的基础上，每上升l%扣5分。 (2)定额工期为500天。评分方法是：工期提前10%为100分，在此基础上每拖后5天扣 2分。 (3)企业信誉和施工经验均已在资格审查时评定。 企业信誉得分：C单位为100分，A、B、D单位均为95分；施工经验得分：A、B单位为100分，C、D单位为95分。 (4)上述四项评标指标的总权重分别为：投标报价45%，投标工期25%，企业信誉和施工经验均为15%。
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