材料一：2003年、2007年我国收入分配状况材料二：我国政府2008年采取了一系列

根据冀教版九年级英语上册Unit2 Lesson 10内容填空。

     Welcome 1._____  China. Let me introduce something about the Great Wall  2._____you.

The Great Wall is the longest 3._____ in the world.It has a  4._____  of over two thousand 5._____.

It was very difficult  6._____ 7._____  such a great wall in the old times. It ismore than 7,000

kilometres 8._____ , 6~7 metres high and 4~5 metres  9._____.  10._____Someplaces, it is  11._____

enough for five horses or ten men 12._____   13._____  side by side along the top.

    Today it has become a place of 14._____no only to Chinese people, but also to people

15._____  16._____  the world. All Chinese are 17._____ of it.

     I hope you'll have a good time 18._____ the Great Wall.

已知：函数f（x）=x²-x+k，且log₂f（2）=2，f（log₂a）=k，（a＞0，a≠1）

（1）求k，a的值；

（2）当x为何值时，函数f（log_ax）有最小值？求出该最小值．

在检测细骨料的泥块含量时，应将试样过（）㎜的筛，取筛上的试样进行试验。

储存黄酒最理想的容器是（）。

A.金属罐

B.玻璃瓶

C.塑料瓶

D.泥陶罐

公民能立遗嘱赠个人财产。