已知某公司某年的利润总额为200万元，销售成本为300万元，期间费用（包括销售、管理

阅读理解。

     Most people make their living(谋生)with their hands, but Bob makes his living with his feet.

     Bob’s story began in a small city in England. His parents were poor. Seven people lived in a small house. Bob had no place to play but on the street.

     Bob’s father often played football. Little Bob wanted to play football, too. So his father made a soft (柔软的) ball for him to kick. It was a sock full of old cloth. He kicked it every day.At last Bob learned to kick a real football. And after a few years he could play football very well.

1.People usually make their living _______.

A.by learning by themselves

B.with their feet

C.by playing football

D.with their hands

2.Which of the following is TRUE?

A.Bob was born in a small village.

B.Bob’s house was very big.

C.There were eight people in the family.

D.The little boy often played on the street.

3.Why did the father make a soft ball for his son?

A.Because the family all liked football.

B.Because Bob also liked to play football.

C.Because they had lots of old cloth.

D.Because he didn’t want to throw the sock away.

4.The word“kick”in the story means _______.

A.踢            

B.玩          

C.射门

D.弹起

5.From the story we can see _______.

A.Bob’s age

B.it’s about an American boy

C.Bob’s mother’s name

D.the boy became a good football player at last

保教结合

下述乳牙形态特点哪个不正确

A．乳牙体积较小，其中乳磨牙体积依次递增

B．乳牙牙冠硬度差，呈乳白色

C．上颌乳尖牙尖顶偏近中

D．下颌乳侧切牙舌面窝较深

E．乳切牙从邻面看其唇舌侧颈嵴都较恒牙显著

真正高明的伪造家制造的钞票从不会被发现，所以一旦他的作品被认出是伪造的，则伪造者不是位高明的伪造者，真正的伪造家从不会被抓到。　　下列哪种推理方式与这段话类似( )

A．小张是一个玩魔术的专家，他的魔术总能掩人耳目，从未被揭穿，所以他是一个高明的魔术师

B．小张是一个玩魔术的人，他的魔术一般不会被揭穿，偶尔有一两次被人揭穿，但这不妨碍他是一名优秀的魔术师

C．小张是一个玩魔术的人，他的魔术一般不会被人看穿，偶尔有一两次被人看穿，说明他并不是一个高明的魔术师，因为高明的魔术师不会被人看穿

D．小张的魔术很好，从不会被揭穿，所以他是个优秀的魔术师

呼吸功能减退的病人糖类占总能量的比例应（）。

A.1.0

B.0.8

C.0.7

D.16％

E.＜50％