组成细胞的最基础的生物小分子是（）、氨基酸、（）、单糖，它们构成了核酸、（）、脂类和

看图填词。

     Eric's   1    birthday is coming, but Eric doesn't have a present for her yet. He goes to the shop. There

are so many things. A    2    can be a good present, because his mother likes to take photos, but it is too 

   3    for Eric to buy.    4    are not so expensive, but he doesn't think they are good enough for his mother,

because they are going to die soon. He doesn't know what size     5    his mother wears.    6    are good. But

he can't afford them, either. He is so    7   .

     Eric's best friend, Kate, says to him,"why don't you give your mother a    8    of yourself for her birthday?

That shows your love for her." Eric thinks this is a good    9   . No one is too poor to give love to others,

and    10    is the most expensive present in the world and everyone is happy to get it.

1._____  2._____  3._____  4._____  5._____ 

6._____  7._____   8._____ 9._____  10._____ 

慢性肺心病的发生过程中，以下不是导致肺动脉高压重要因素的是（）

A.肺血管解剖结构改变

B.缺氧

C.电解质紊乱

D.血液黏度增加

E.血容量增高

“保费”栏应填：

A．0.3/1

B．502/0.3/2

C．0.3

D．此栏为空

水准面特性包括（）。

A.随高度不同有无数个

B.平面

C.铅垂线与水准面垂直

D.曲面

E.某点水准面与该点铅垂线垂直

植物的配置有哪些形式？