下列河流中，冬季无结冰现象的是（ ） A．黑龙江 B．松花江 C．珠江 D．黄河

Spring is the time to go out and enjoy the weather and scenery．Here are some events to attend in March of 2012 in Oregon!

Oregon Country Fair（OCF）, 9 am to 7 pm on March 8 - 10

OCF first started in 1969, and it’s blossomed into an outstanding example of what a non - profit should be. OCF is an event of shopping & atmosphere, and food ranging from Indian & Afghani cuisine to Italian & France cuisine．Wonderful craft & music never stop．From the time you get there until the time you leave, everyone has a smile on their faces, and they wave and say hello．For tickets, go and visit www．Oregoncountryfair．org．

30^th Annual Seaside Beach Volleyball Tournament, 8 am to 6 pm on March 12 - 14

The Annual Seaside Beach Volleyball Tournament is an amateur tournament that draws amateur volleyball players to the small town of seaside, as well as AVP Team players who are the best volleyball players．In the past years, it has drawn more than 700 teams playing on over 80 volleyball courts．Just go west, and you can’t miss it．It is about 20 miles south of Astoria．To learn more about it, visit the website www．Seasideor．com．

Hood to Coast Relay, 3:30 am to 6:45 pm on March 26 - 27

The Hood to Coast Relay is a 200 - mile - long relay that consists of 15, 000 runners and 4, 100 volunteers．It’s the largest relay in the world, which goes from Mt．Hood to Pacific Ocean in Seaside, Oregon．People of the Oregon coast fear Hood to Coast, because local towns and streets are flooded．There are audiences cheering riders on, and many people set up stations to give riders water．If you would like to get the race route maps, visit the website www. Hoodtocoast. com．

Other event information

To learn about other events, visit the website www. Aadfv. Blogspot. com．

小题1:OCF covers the following EXCEPT ________．

A．music

B．dishes

C．dance

D．artworks小题2:When was the first Seaside Beach Volleyball Tournament held in Oregon?

A．In 1982．

B．In 1986．

C．In 1988．

D．In 1992．小题3:If Lisa wants to learn more about an outing in Oregon, she may visit _______．

A．www．Seasideor．com．

B．www．Hoodtocoast．com．

C．www．aadfv．blogspot．com．

D．www．Oregoncountryfair．org．小题4:Locals of the Oregon coast are afraid of the relay because ________．

A．the relay will last a long period

B．they have to offer food and water

C．the weather is bad during the relay

D．too many people will go there

患者，男，28岁。外出感寒，左下肢痛，遇风则疼痛加剧，舌苔薄白。用药应首选的药物是（）

A.独活

B.威灵仙

C.羌活

D.桑寄生

E.秦艽

党对公安机关的组织领导的实现途径是( )。

A．健全公安机关各级党组织，严密组织制度，加强领导管理

B．抓好公安机关领导班子和公安队伍的建设，抓好党内组织生活，贯彻民主集中制，保证党员民主权利，正确开展批评和自我批评

C．在广泛听取意见、认真考评的基础上向上级政府推荐公安机关的主要领导干部

D．公安机关采取有社会影响的行动，均须向党委请示报告

临界热绝缘直径

背景资料：

2009年5月17日，××市红旗路高架桥发生垮塌事故，造成9人死亡，l6人受伤，24辆车受损。事故发生时，在对高架桥110号-109号桥墩段路面实施机械拆除，桥墩突然断裂，形成骨牌效应，导致八个桥墩九个桥面坍塌；事故死者善后处理按照“一个领导、一套班子、一个标准”的善后处理方案，对于每一名事故死者，统筹安排一名市级领导对接善后处理。死者不论城乡、不论年龄，死亡赔偿标准统一定为每人40万元，由施工单位委托业主单位先期代为垫付赔偿。经查实，犯罪嫌疑人程某经××民爆工程有限公司总经理高某同意，在不具备相应资质的情况下，以挂靠××民爆工程有限公司的方式通过招投标程序中得红旗高架桥爆破拆除工程项目。整个高架桥的拆除由××监理公司负责全程监理，在施工监理过程中，没有对程某等人有无机械拆除高架桥资质和相关安全措施予以审查。经检察机关审查，依法批准对涉嫌犯罪的程某、高某等9人予以逮捕。

此起安全事故的等级属于（）。

A.一般事故

B.较大事故

C.重大事故

D.特别重大事故