某发热患者体温在39℃以上，每日波动2～2.5℃，最低温度37.6℃，应诊断为（）

阅读理解。

     American schools begin in September after a long summer holiday. There are two terms (学期) in a

school year. The first term is from September to January and the second is from February to June. Most

American children begin to go to school when they are five years old. Most students are seventeen or

eighteen years old when they finish high school.

     High school students take only four or five subjects each term. They usually go to the same classes

every day, and they have homework for every class. But they do many interesting things after class.

     After high school, many students go to college (大学). They can go to a small or a large one. They

usually have to give a lot of money. So many college students work after class to get the money for their

studies.               

1. In America, school begins in         .

A. September  

B. July      

C. May      

D. February

2. Most American children go to school at the age of             .

A. five            

B. seven    

C. eighteen

D. seventeen

3. High school students             after class.

A. go to the same classes

B. go to work

C. do many interesting things

D. play basketball

4. In order to (为了)            , many American college students work after class.          

A. help their parents

B. get the money for their studies

C. help others

D. learn some useful things

5. After high school, many students go to             .

A. work     .            

B. make money

C. college                

D. cities

按要求作图（4分）

（1）如下左图，处于主光轴上的物体AB经凸透镜后在光屏上成的像A'B'，请你根据图中所给的条件画出凸透镜，并确定左焦点F的位置(2分)。

（2）请完成右面两图的光路图，作出对应的反射光线或入射光线(2分)。

随着交流线路额定电压的升高，线路单位长度电阻标么值和电抗标么值迅速减少，单位长度电纳标么值快速（）。

A.增加

B.减少

C.不变

D.其他三个选项都不是

—Good morning, Miss Gao. Could you please tell me the result of the exam?

—OK. You did quite well. You made        .[ ]

A. few mistakes

B. a few mistakes

C. little mistake

D. a little mistake

某工业项目固定资产投资2850万元，流动资金为1150万元，其中资本金占项目总投资的50%，投产后，销售税金及附加为150万元，平均年利润总额为550万元，则该项目的平均资本金利润率为( )。

A．13.75%

B．13.25%

C．38.60%

D．27.50%