连续型r.v.的分布函数是连续的．（)

Directions：

For this part，you are allowed 20 minutes to write a short composition of about100—120 words on the title：Advertisements．Base your composition on the outline givenbelow in Chinese：

1．随着经济的发展，越来越多的人涌向城市。

2．但是存在一些问题。

3．要解决这些问题，政府必须采取行动。

Section I Listening Comprehension

(30 minutes)

Directions :

This section is designed to test your ability to understand spoken English. You will hear a selection of recorded materials and you must answer the questions that accompany them. There areTHREE parts in this section ,Part A ,Part B and Part C.

Remember ,while you are doing the test ,you should first put down your answers in your test booklet. At the end of the listening comprehension section, you will have 5 minutes to transfer all your answers from your test booklet to ANSWER SHEET1.

If you have any questions ,you may raise your hand NOW as you w/// not be allowed to speak

once the test has started.

Now look at Part A in your test booklet.

Part A

Directions :

For Questions /-5, you w/// hear an introduction to American English College. While you Listen ,full out the table with the information you have heard. Some of the information has been given to you in the table. Write only l word or number in each numbered box. You will hear the recording twice. You now have 25 seconds to read the table below

Section A

Directions: In this section, there are 10 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked A , B, C, and D.

On her next anniversary Rose ______ married for 20 years.

A．will be

B．has been

C．will have been

D．is being

Section A

Directions: In this section, there are 10 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked A , B, C, and D.

Professor Liu ______ for 20 years by the end of next summer.

A．has taught

B．will be teaching

C．has been teaching

D．will have taught

Directions: For this part, you are allowed 30 minutes to write a composition on the topic"Television"Your composition should be based on your own understanding of the topic and it should be no less than 120 words long.