正值安装高度水泵进口处真空表读数是代表（）的真空度。 A.水泵进口处 B.水泵基准面

在平面直角坐标系中，将坐标为（0，0），（2，0），（3，4），（1，4）的点用线段依次连结起来形成一个图形，并说明该图形是什么图形。

阅读理解。

     Happiness is for everyone.  In fact, ①happiness is always around you if you put

your heart into it. When you are in trouble at school, your friends will help you; when you study hard at your lessons, your parents are always taking good care of your life and your health, when you get success, your friends will congratulate 'you. When you do something wrong, people around you will help you to correct it. And when you do something to others,  you will feel happy. too. All these are your happiness. If you notice a bit of them; you can find that happiness is always around you.②Happiness is

not the same as money, it's a feeling of your heart. When you are poor, you can also be very happy, because you have something else that can't be bought with money.

When you meet with difficulties, you can say loudly you are very happy. because you have more chances to challenge(挑战)yourself. So you cannot always say you are

poor and you have a bad luck.  ③If you take every change you get, you can be a

happy and lucky person.

1. 将①处改为否定句形式（意义不变）。

2．将②处译成汉语。

3．将③处改为so that引导的目的状语从句。

儿科护理学范围（）

A.临床护理

B.预防保健

C.开展健康教育

D.儿童心理及儿童教养

E.护理科学研究

对于中暑衰竭描述错误的是（）。

A、由于大量出汗，水及盐类丢失引起血容量不足

B、临床表现为面色苍白，皮肤湿冷

C、脉搏细弱，血压降低，呼吸快而浅

D、神志清楚

蛛网膜下腔出血，首选的检查方法为（）

A.MRI

B.PET

C.EEG

D.CT

E.ECT