在其他条件相同的情况下，（）属于一种紧缩性货币政策。 A.降低贴现率 B.央行出售政

四冲程柴油机第三冲程是（）过程。

阅读下面的短文,然后按照要求写一篇150词左右的英语短文。

    Martin Luther King,a famous freedom fighter, spent his whole life fighting for rights for black people

in the USA．By doing this he set an example for the rest of the world．His message was that black

people should not be separated but should be treated in the same way as other people．

    It was in 1 963 that Martin Luther King gave the speech "I Have a Dream " to thousands of black

people who marched on Washington DC,the capital of the USA．It made him famous all over the

world．The following year, King received the Nobel Prize for Peace．In the same year, a new Civil

Rights Act was passed and in 1 965 a new Voting Rights Bill became law．From then on,all black

people had the right to vote．

    Martin Luther King was murdered in 1 96 8．However,he had already changed the whole of society

in the USA．Soon after his death,black people started enjoying the rights they had waited and fought

 for SO long．

[写作内容]

1．概括短文的内容要点,该部分的词数大约30左右；

2．有许多的伟人都是为了争取人民的自由而奋斗一生甚至献出了自己的生命.请你就马丁路德金的一生发表自己的观点,写一篇120词的短文:

     (1)读了短文之后,你觉得Martin Luther King是一位怎样的人?

     (2)你觉得他给整个世界的人们带来了什么?

     (3)你觉得自由重要吗?为什么值得我们去追求？

花粉粒极面观呈三角形，赤道面观双凸镜形的药材是（）

A.金银花

B.红花

C.丁香

D.洋金花

E.西红花

一片8259可以管理（）级中断。

A.2

B.4

C.8

D.16

在OUTLOOK中建立通信簿，新建地址时应选择单击（）按钮。