Section B
　　Directions: In this section, you will hoar 3 short passages. At tho end of each passage, you will hoar some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose tho best answer from tho four choices marked A．, B．, C．andD．. Then mark tho corresponding letter on Answer Sheet 1 with a single line through tho centre.
注意：此部分试题请在答题卡1上作答。

Passage One
Questions 16 to 18 are based on the passage you have just heard.
16. A． How being an identical twin influences one's identity.
B． Why some identical twins keep their identities secret.
C． Why some identical twins were separated from birth.
D． How identical twins are born, raised and educated.
17. A． Their second wives were named Linda.
B． They grew up in different surroundings.
C． Their first children were both daughters.
D． They both got married when they were 39.
18. A． They want to fred out the relationship between environment and biology.
B． They want to see what characteristics distinguish one from the other.
C． They want to understand how twins communicate when far apart.
D． They want to know whether twins can feel each other's pain.

Passage Two
Questions 19 to 21 are based on the passage you have just heard.
19. A． It is especially attractive to children and the young.
B． It is the first choice of vacationers on the Continent.
C． It is as comfortable as living in a permanent house.
D． It is an inexpensive way .of spending a holiday.
20. A． It has a solid plastic frame.
B． It consists of an inner and an outer tent.
C． It is very convenient to set up.
D． It is sold to many Continental countries.
21. A． A groundsheet.
B． A gas stove.
C． A kitchen extension.
D． A spare tent.

Passage Three
Questions 22 to 25 are based on the passage you have just heard.
22. A． It covers 179 square "miles.
B． It is as big as New York City.
C． It covers 97 square kilometers.
D． It is only half the size of Spain.
23. A． Its geographic features attracted many visitors.
B． Its citizens enjoyed a peaceful, comfortable life.
C． It imported food from foreign countries.
D． It was cut off from the rest of the world.
24. A． The fast development of its neighboring countries.
B． The increasing investment by developed countries.
C． The building of roads connecting it with neighboring countries.
D． The establishing of diplomatic relations with France and Spain.
25. A． They work on their farms.
B． They work in the tourist industry.
C． They raise domestic animals.
D． They make traditional handicrafts.

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