单选题 Questions 77-79 refer to the following advertisement.

单选题 Who is most probably speaking?
A. A professor on tourist economy
B. An official from Africa
C. A sales person
D. A Zambian tourist guide
【正确答案】 D
【答案解析】[解析] 77-79
You have heard the legend about the reputation of the people of Zambia. genuinely warm, extraordinarily friendly and interested in welcoming us to their country. We have had a hand in turning it into a premier tourist destination during the last decade. It is a country that welcomes the adventurous visitors. Happiness is expected to be found in the fact that the drink is available and not in the fact that it arrives speedily! If what you want is Africa, your wish will be granted.
单选题 What is the main purpose of the speech?
A. To give information about Zambian people
B. To sell drinks to travelers in Africa
C. To persuade traveler to visit Zambia
D. To criticize the tourist service in Zambia
【正确答案】 C
【答案解析】
单选题 Which of the following is mentioned in the article?
A. There is no happiness to travel in Zambia.
B. The drink in Zambia is delivered on time.
C. It can be very dangerous to travel in Zambia.
D. Zambia has become a main destination for travelers.
【正确答案】 D
【答案解析】