题目内容
When there are no efficient doctors in large population centers, epidemics start.
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Section ADirections: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. Both the dialogues and questions will be spoken only once. When you hear a question, you should decide on the correct answer from the 4 choices marked A), B), C) and D) given in your test paper. Then you should mark the corresponding letter on the Answer Sheet with a single liras through the centre.
Have you seen a live koala The koala is one of Australia’s most famous and best loved animals. It has a peaceful character and looks like a teddy bear (儿童的玩具熊). These have made it a favorite around the world, even though few people outside Australia have had the opportunity to see a live koala. It is sometimes called a native bear or koala bear. However, it is not related to the bear family or any other animal. The koala spends most of its life in trees, coming to the ground only to travel between them. On the ground it walks slowly on all four legs. However, it is a good climber, its sharp claws enabling it to climb trees easily, The koala is quiet, and usually lives alone. Three races of koala have been recorded, The first is found in New South Wales. It is gray or gray-brown in color. The second race is found in Queensland. It has shorter fur, of red colors. The third race is found in Victoria and it has a woolly coat of brown. The koala is a lovely animal, so come to Australia and see it.The Koala(46) have many opportunities to see a live koala.The koala is also called koala bear because it looks (47) .It usually stays (48) .On the ground it walks slowly on (49) .The three races of koala are different in (50) . 46（）
We request that no foods or beverages(饮料)be brought into Disneyland. A picnic area is located west of the main entrance for your convenience. Also, for the comfort of those around you, we request that there be no flash photography, eating or drinking in any pleasure grounds. Guests with very young children may take turns enjoying these places.
厌食的病机关键是( )
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