煤矿发生重大生产安全事故时，单位的主要负责人应当立即组织抢救，并不得在事故调查处理期

In the United States and in many other countries around the world, there are four main ways for people to be (91) about developments in the news: newspapers, magazines, and radio or television news broadcasts. A person may use one, or all, of these (92) for information. Each source is useful in its (93) way. Newspapers and magazines can give much information about a particular event. They may (94) some history of the event, some of its (95) , some of its effects, or perhaps give an (96) or point of view on a particular development. Radio and television can help a person to be well informed about what is happening each day. It is also (97) to listen to radio or watch TV (98) do something else at the same time. Many people can listen to the news on their car radio while driving (99) . For the student of English as a foreign language, an English language newspaper may be the most helpful news source that will also (100) you practice in reading English.
Most daily English language newspapers are not very hard to find. They are interesting and helpful in many (101) . In some of them, you may be able to find news about your (102) country. You will find news and information about important national and international political (103) . (104) what you are interested in, you can probably find something in the newspaper about it. A(n) (105) in the newspaper may help you solve a problem. Other stories may be about good movies, concerts, or TV shows.
Usually, an English language newspaper has several (106) or parts. Each part of the newspaper (107) stories about different kinds of news. Some sections have a lot of advertisements which may be helpful if you want to save money. By reading the advertisements, you may find something you want (108) sale. Or you may find that two stories are advertising the (109) thing, but at one store the price is lower. Other sections may have (110) advertisements or have only a specific type of advertisement to interest the people.

A．Especially

B．Provided

C．Although

D．No matter

2007年4月3日《人民日报》发表评论员文章指出：“一个国家的道德秩序和价值观念，是个人生活和社会生活的基础性平台，也是国家竞争力的决定性因素。”因此，我们必须  

①．把发展先进文化作为一切工作的中心

②．把文化建设作为社会主义现代化建设的重要战略任务

③. 大力实施科教兴国战略

④．要加强社会主义思想道德建设，开展群众性精神文明创建活动

A ①②③     B．①②③④     C．③④       D．②③④

专家认为，进入21世纪，长江流域遭受特大洪涝灾害的危险在日益加大，有关其原因和防治措施的说法，正确的是

A．与中上游山区森林面积大量减少无关

B．与工业污染增加，酸雨日益增多有关

C．应加强围湖造田工程

D．应大力兴修水库

引起人体及其他动物中毒的主要途径有（）个方面。

A、2

B、3

C、4

D、5

益母草不具有下列哪项药理作用（）

A、改善血液流变学、抗血栓形成

B、降血脂

C、利尿及防治急性肾小管坏死

D、改善血液动力学

E、保护缺血心肌