患者，男性，20岁，反复以下肢水肿、尿少腹胀3年，加重腹胀2年，查体：颈静脉怒张，肝

阅读理解。

     A frog (青蛙) is born in a small river．When he is young,the river is his home．He doesn't know his parents,but

he has hundreds of brothers and sisters．He swims about and plays with them all the time．At that time,he doesn't

look like his parents．He has no legs and he has a big tail (尾巴)．So he looks like a fish．

     Later,his tail gets shorter and shorter．And he has four legs and a very short tail．He looks like his parents now.

Then, he's going to eat a lot of bad insects (害虫)．

1. Where is a frog born?

A. On a farm.      

B. On the land.      

C. In the river.      

D. In the sea.

2. Which of the following is right.'?     

A. A baby frog stays at home and knows only his parents.

B. A baby frog looks like a bird and he knows his parents.

C. A baby frog looks like his parents but he doesn't know them.

D. A baby frog looks like a fish and he has a lot of brothers and sisters.

3. Who does a frog play with all the time?      

A. His parents.  

B. His brothers and sisters.  

C. Fish.      

D. Insects.

4. A frog has              .    

A. four legs and a very short tail        

B. four legs but he has a long tail

C. no legs but he has a long tail          

D. no legs and he looks like a fish

5. A baby frog              .     

A. can't swim  

B. can't eat bad insects  

C. has no tail  

D. can eat bad insects

标题形式的编排和美化是网页编辑的重要组成部分，除文字和图片外，下面的编排手段中哪种是使用最多的。（）

A.题花

B.空白

C.线条

D.色彩

（1）已知H₃PO_X的相对分子质量为98，则X=______；

（2）30个水分子与______个H₃PO_X分子中含氢原子个数相等．

下图中有关实验的操作方法或现象有误的是                        （   ）

对食品添加剂的要求包括（）.

A、不应对人体产生任何健康危害；

B、不应掩盖食品腐败变质；

C、不应掩盖食品本身或加工过程中的质量缺陷或以掺杂、掺假、伪造为目的而使用食品添加剂；

D、食品工业用加工助剂一般应在制成最后成品之前除去，有规定食品中残留量的除外.