男，4岁。摔伤致右股骨干中段横形骨折，骨折端重叠移位，治疗方法首选（） A.垂直悬吊

阅读理解。

     Water is very important to living things. Without water there can be no life on the earth. All animals

and plants need water. Man also needs water. We need water to drink. to cool our food and to clean

ourselves. Water is needed in offices,factories and schools.

     Water is needed everywhere.There is water in seasrivers and lakesWater is found almost everywhere. Even in the driest part of the world. there is some water in the air. You cannot see or feel it when it is a

part of the air. The water in the seas,rivers and lakes is a liquid.The water in the air is a gas,and we call it

water vapor.

      Clouds are made of water. They may be made of very small drops of water. They may also be made

of snow crystals(结晶体). Snow crystals are very,very small crystals of ice. Ice is frozen water. It is a

solid. There can be snow and ice everywhere in winter.

1. Where Can we find water?

A. We can find water when it turns into vapor.

B. Water can be found almost everywhere

C. We can see water in deserts here and there.

D. Water is only in seas and rivers.

2. We must protect water resources because.

A. crops need water

B. all living things need water

C. all animals need water

D. all plants need water

下列句中划线的成语使用不恰当的一项是（  ）

A．在海明威以前的一个世纪，长篇小说的对话向来都给一大套精雕细镂的老规矩压得东摇西摆，迈不开步。长篇不知想了什么办法，居然活了下来；短篇却一直岌岌可危。

B．余华犹如一滴水珠，投入到大海之中，声名大噪，他没有引起多少注意。

C．《红楼梦》博大精深，其艺术匠心，管窥蠡测不足道万一。

D．你自己荐她来，又合伙劫她去，闹得沸反盈天的，大家看了成个什么样子？

以下有关消化性溃疡并上消化道出血的特点，不正确的是（）。

A.定有呕血

B.定有黑便

C.呕血常为咖啡色

D.出血后疼痛减轻

E.出血后可有发热及氮质血症

根据《瑞士民法典》的规定，不正确的是（）。

A.作为的义务，仅可以次要者为限附设于地役权

B.甲地所有人，为乙地的利益，不允许乙地所有人进行某些特定方式的侵害

C.甲地所有人，为乙地所有人的利益

D.乙地所有人的利益，在特定范围内，不行使自己的所有权，以使自己的土地承受负担

离心泵的压头又称为泵的（）是指泵对单位重量的液体所提供的（）能量，以（）表示，单位为（），扬程并不是（），其只是扬程的一部分。