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

根据短文内容及首字母提示，补全空格内单词，使短文完整、通顺。（10分）

As teenagers, you have many dreams. These dreams can be very big, such as winning the Nobel Prize, or they can be small. You may just want to become one of the top ten students in your c 小题1: .

Once you find a dream, what do you do w 小题2: it? Do you ever try to make your dream real?

Follow Your Heart by Australian writer Andrew Matthews tells us that m 小题3: our dreams real is life’s biggest challenge.

You may think you’re not very good at some school subjects, or that it isn’t possible for you to become a writer. These kinds of thoughts p 小题4: you from reaching your dream, the book says.

In f 小题5: , everyone can make his dream come true. The first thing you must do is to remember the dream in your mind.

D 小题6: let it leave your heart.Keep telling yourself what you want. Do this step by step and your dream will come true faster because a big dream is made up of many small o 小题7: . Please never give them up.

There will be difficulties on the road to your dreams. But the biggest comes from yourself. You need to d 小题8: which is the most important. Studying i  小题9:  of watching TV will lead to better exam results, while saving five yuan instead of buying an ice cream means you can buy a new book. As you get c 小题10: to your dream, it may change a little. This is good as you have the chance to learn more skills and find new interests.

把30709050、3079500、3097050、3079550、63038050按从大到小的顺序排列：______＞______＞______＞______＞______．

用照相机照相时，为使成的像再小些，可采取的办法是______物体与镜头间的距离，同时______胶卷与镜头的距离（填“增大”或“减小”）．

我国三大政策性银行成立于( )年。

A．1994

B．1995

C．1996

D．1998