最简单的交换排序方法是( )。A．快速排序 B．选择排序 C．堆排序 D．冒泡排序

集中在基础科学和前沿领域的创新主要是( )。

A．企业创新

B．集成创新

C．原始创新

D．引进、消化吸收再创新

Financing for a large construction project was provided by a group of banks. When the money was gone before the project was completed, the banks approved additional loans. Now, with funds used up again and completion still not at hand, the banks refuse to extend further loans, although without those loans, the project is doomed.
Which of the following, if true, best explains why the bank’s current reaction is different from their reaction in the previous instance of depletion of funds ？（）

A．The banks have reassessed the income potential of the completed project and have concluded that total income general would be less than total interest due on the old plus the needed new loans.

B．The banks have identified several other projects that offer faster repayment of the principal if loans are approved now to get those projects started.

C．The banks had agreed with the borrowers that the construction loans would be secured by the completed project.

D．The cost overruns were largely due to unforeseeable problems that arose in the most difficult phase of the construction work.

E．The project stimulated the development and refinement of several new construction techniques, which will make it easier and cheaper to carry out similar projects in the future.

对民事诉讼法规定的督促程序，下列哪一选项是正确的( )

A．向债务人送达支付令时，债务人拒绝签收的，法院可以留置送达

B．向债务人送达支付令时法院发现债务人下落不明的，可以公告送达

C．支付令送达债务人之后，在法律规定的异议期间，支付令不具有法律效力

D．债务人对支付令提出异议，通常以书面的形式，但书写异议书有困难的，也可以口头提出

“君子爱财，取之有道”是指个人利益的获取要建立在首先为他人和社会服务的基础之上。( )

根据下表提供的信息回答下面问题

2008年一季度企业家信心指数比上季度上升最少的行业是( )。

A．社会服务业

B．交通运输、仓储和邮政业

C．批发和零售业

D．住宿和餐饮业