2018级函授专科2018年上学期平时作业(2)

三、Translate the following sentences into Chinese.（翻译下列句子。） 1. Which university did you graduate from ? 2. What courses did you take?

3. How many students were there in your university? 4. How were the teachers there?

5. Could I ask you a few questions about the education you received?

第二次：

一、识记并翻译下列句子。 1. This is the receptionist. Welcome!

Can I help you?

2. Do you have an appointment? May I have your name, please?

The manager wants to know if your business is urgent. 3. Can I ask what you wish to see him about?

I’m told to get that information from every caller. 4. Mr. Smith is here for his appointment.

The manager is expecting you in his office. Please go right in. Mr. Chen wants to know if your business is urgent. 5. I’m sorry. The manager is occupied at the moment. Would you please have a seat and wait for a moment? Would you please leave your card?

二、Translate the following sentences into Chinese.（翻译下列句子。） 1. I was born in a very small village.

2. Our university stands at the foot of low green hills. 3. There is a river running through the city.

4. In the center of the city, a great number of tall buildings have sprung up.

5. They have also put up many shops and supermarkets on each side of the main street.

6. Great changes have taken place since I came here.

7. People here have already got rid of poverty, and live happy and comfortable lives.

第三次：

一、Translate the following public signs into Chinese. （翻译下列句子） 1. Closed To All Traffic 2. Don’t Walk On The Grass 3. Swimming Not Allowed 4. Children Not Allowed

5. Felling Trees Is Forbidden 6. No Entry 7. Quiet Please 8. No Spitting

9. Don’t Lean Out Of The Window 10. Leave Bags Outside

11. Sheila types faster than Anne, but less carefully.

12. Sheila dresses more fashionably than Anne, but less neatly. 13. We’ll have a budget meeting this morning. 14. Shall I send the letter by fax or by e-mail? 15. More women are moving into executive positions.

二．用所给单词的适当形式填空。

1. Mr. Green the medicine these days. He the medicine three times a day. (take)

2. My mother in the kitchen. She for us every day. (cook) 3. The students often basketball after class. They on the playground now. (play)

4. The repairman the computer every week. He them now in the computer centre. (check)

5. Miss Wang often with the old man in the morning. Now they around the campus. (take a walk, walk)

第四次：

一、用所给单词的适当形式填空。

(counter discount expensive shop assistant prefer advice interest blouse guide)

1. Miss Wang works as a tour at a travel agency.

2. “How should I remember new words? Would you give me some ?”

3. This is a 100% silk .

4. The shop is very helpful. She serves as a shopping guide to her customers.

5. What do you , tea or coffee?

6. I would like to buy a silk handkerchief, which should I go to?

7. Mr. Smith is very much in Chinese folk songs.

8. Every week Mrs. White goes at the supermarket near her house.

9. Oranges are 5 yuan a kilo in our supermarket. Everything is so these days.

10. Mr. Cheng always buys things at a .

二、Translate the following public signs into Chinese. （翻译下列句子）

1. With the help of my teacher, I was admitted to university. 2. Do you know when the universe first came into being？ 3. And above all, remember to send us your comments. 4. Could you give us some advice on how to enjoy music. 5. He enjoys performance and the congratulations afterwards. 6. He looks very familiar but I can’t remember his name. 7. Do you plan to pay in cash or by cheque?

8. Laws must be passed to punish those who do harm to wildlife. 9. Traveling in the desert by camel is really an unforgettable experience. 10. If people don’t take action and adopt effective measures to protect wild animals, an increasing number of them will die out.

《高等数学》平时作业

第一次作业 1、设函数f(x)?

x2?9. 2、求极限limx?3x?31?x1, 求 f(?x），f(),1?xx1,f(x)f(x?1)。

1?x3. 3、求极限limx??3x3

4、叙述函数y?f(x)在x0处连续的定义 。

第二次作业

1、叙述函数y?f(x)在x0处可导的定义 。

2、求函数y?ex(cosx?xsinx)的导数 。

3、求函数y?2x2?lnx的二阶导数 。

4、求函数f(x)??3x4?4x3?2在闭区间??1,2?上的最大值与最小值。

第三次作业

1、叙述函数y?f(x)在区间I上的不定积分的定义。

2、写出13个不定积分的基本积分公式。

3、求不定积分?dxx2(1?x2) 。

?4、求定积分?20x2cosxdx 。

第四次作业

1、已知函数f(x,y)?(x?y)x?y, 求f(2,3),f(x?y,y)。

2、求函数z?(1?xy)y的偏导数 。

3、计算 I???(x2?y2)dxdy,其中D是由y?x2,x?1,D区域。

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