法最根本的的特性是？（）A、合法性 B、强制管理 C、权力管理 D、权利管理

去年5月12日四川汶川发生特大地震灾害后，全国人民万众一心，众志成城，支援灾区．某救灾物资中转站现库存救灾物资500吨，每天还源源不断有救灾物资从全国各地运来．若每天安排10辆货车转运这些救灾物资，10天可将库存物资运完，使后来的物资做到随到随运；若每天安排15辆货车转运这些救灾物资，5天可将库存物资运完，使后来的物资做到随到随运．假设每辆货车每天的装运量相同，每天从全国各地进入这个中转站的救灾物资吨数是一个固定值．

（1）则每辆货车每天运送（     ）吨救灾物资每天从全国各地进入这个中转站的救灾物资有 （     ）吨．

（2）“时间就是生命”，救灾指挥部要求在三天内将库存物资全部运完，使后来的物质随到随运，那么中转站每天至少要安排（    ）辆货车运送救灾物资．

根据短文内容，从短文后的七个选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

As we “happen to be” the best creature in the world, it’s our duty to look after other species. Here are some points which might help to protect wildlife. Join organizations like Greenpeace and World Wildlife Fund. They have devoted themselves to protecting the earth and its animals. Many volunteers join organizations like these and work for the environment. 小题1:

小题2:  Don’t buy something made from ivory and things like this. Baby seals(海豹) are hunted for their skin, as it is used to make expensive coats. Don’t buy them.

小题3:  You can write a heartfelt and logical letter to the government stating your ideas about this problem and how it can be solved.

Recycle(回收利用) and reuse. It will reduce the need to have more raw materials to produce something.小题4:And wild animals’ home will not be destroyed.

Governments should create more safe zones and national parks for wild animals.  小题5: Governments should apply strict laws to stop hunting.

I hope this post was helpful. Share your views about this issue and let your voice be heard.

A．Let your voice be heard.

B．Stop hunting for pleasure.

C．As a result, fewer trees will be cut down.

D．You can build a bird house and feed local birds.E.Refuse fur coats and medicines made from rare animals

F.You can find some organizations like these and join them.

G. There they will be able to move freely without worrying about hunters.

诊断左心室肥大的最基本条件是（）

A.电轴左偏

B.左室高电压

C.V₅、V₆导联VAT>0.05s

D.ST-T改变

E.QRS波群时间延长达0.10～0.11s

诊断异位妊娠破裂最常用的重要辅助检查方法是

A．后穹隆穿刺
B．尿妊娠免疫试验
C．B超检查
D．诊断性刮宫
E．腹腔镜检查

每一个OSPF区域拥有一个区域标识符，区域标识符的位数为______。

A．16
B．32
C．48
D．64