题目内容
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A.smoke density has been decreased sufficiently to see the bulkhead opposite the compartment's entrance
B.a lifeline and explosion proof flash light are used
C.all smoke and toxic fumes are removed and an adequate oxygen supply is present
D.overhaul has been completed to remove any possible source of re-ignition
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Bees do two kinds of【B4】to tell other bees of their【B5】of food. First, there is a round dance.【B6】this dance, the bee moves in a【B7】inside the hive. The round dance is used【B8】the food is close by. The food must not be more than ten meters【B9】If a bee comes back and dance a round dance, other bees know they must go out and look nearby for food. The bees also【B10】the bee that has found the food. The smell tells them what kind of flower to【B11】After watching the round dance and smelling the bee【B12】has found the food, the other bees can find the other source.
A second kind of dance【B13】by the bee is a tail-wagging dance. In this dance, the bee wiggles the【B14】of its body as it moves in a【B15】line. The tail-wagging dance is used when the food is far away. The food must be【B16】ten meters away. The bees know from the speed of the tail-wagging dance just how far away the food source is. The line the bee dances on shows the direction that the bees【B17】fly into find the food. In the tail-wagging dance, the bees also smell the bee【B18】has found the food. The smell tells them what kind of flowers to look for. After watching the tail-wagging dance and smelling the bee that has found the food, the other bees know【B19】things. They know how far【B20】fly, what direction to fly in, and what kind of flowers to look for.
【B1】
A．for food
B．for eating
C．to eat
D．for eating food
Which of the following is NOT true according to the passage？
A．Before 1959 the flag had been changed 25 times.
B．Each federal department has its own official flag.
C．The national flag of the U. S. had 26 stars on it after admission of Hawaii into the Union in 1959.
D．In 1912, there had been 48 states in the Union.
Section B
Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.
听力原文： Bees are very small animals which fly through the air to look for flowers for food. Bees have been studied by Karl yon Frisch who won a Nobel Prize for his work. He studied bees' activities when they returned to their home called a hive. When a bee found some food, it returned to the hive and danced. The dance was the way the bee communicated to other bees the fact that it had found food.
Bees do two kinds of dances to tell other bees of their discovery of food. First, there is a round dance. In this dance, the bee moves in a circle inside the hive. The round dance is used when food is close by. The food must not be more than ten meters away. If a bee comes back and does round dance, other bees know they must go out and look nearby for food. The bees also smell the bee that has found the food. The smell tells them what kind of flower to look for. After watching the round dance and smelling the bee that has found the food, the other bees can find the food source.
A second kind of dance done by the bees is a tail-wagging dance. In this dance, the bee wiggles the end of its body as it moves in a straight line. The tail-wagging dance is used when the food is far away. The food must be more than ten meters away. The bees know from the speed of the tail-wagging dance just how far away the food source is. The line the bee dances on shows the direction that the bees must fly in to find the food. In the tail-wagging dance, the bees also smell the bee that has found the food. The smell tells them what kind of flower to look for. After watching the tail wagging dance and smelling the bee that has found the food, the other bees know three things. They know how far to fly, what direction to fly in, and what kinds of flowers to look for.
(27)
A．The smell of the food.
B．The quality of the food.
C．The distance of the food.
D．The amount of the food.
听力原文： Bees are very small animals which fly through the air to look for flowers for food. Bees have been studied by Karl von Frisch who won a Nobel Prize for his work. He studied bees' activities when they returned to their home called a hive. When a bee found some food, it returned to the hive and danced. The dance was the way the bee communicated to other bees the fact that it had found food.
Bees do two kinds of dances to tell other bees of their discovery of food. First, there is a round dance. In this dance, the bee moves in a circle inside the hive. The round dance is used when food is close by. The food must not be more than ten meters away. If a bee comes back and does a round dance, other bees know they must go out and look nearby for food. The bees also smell the bee that has found the food. The smell tells them what kind of flower to look for. After watching the round dance and smelling the bee that has found the food, the other bees can find the food source.
A second kind of dance done by the bees is a tail-wagging dance. In this dance, the bee wiggles the end of its body as it moves in a straight line. The tail-wagging dance is used when the food is far away. The food must be more than ten meters away. The bees know from the speed of the tail-wagging dance just how far away the food source is. The line the bee dances on shows the direction that the bees must fly in to find the food. In the tail-wagging dance, the bees also smell the bee that has found the food. The smell tells them what kind of flower to look for. After watching the tail-wagging dance and smelling the bee that has found the food, the other bees know three things. They know how far to fly, what direction to fly in, and what kinds of flowers to look for.
(30)
A．The smell of the food.
B．The quality of the food.
C．The distance of the food.
D．The amount of the food.
The research compared results of the crushed-body treatment with results of immunotherapy that used insect venom and also with results of a placebo. After six to ten weeks of immunization, allergic reactions to stings occurred in seven of twelve patients treated with the placebo, seven of twelve treated with crushed body extract, and one of eighteen treated with the venom.
The word "fatal" in paragraph 1, sentence 1 is closest in meaning to ______.
A．harmful
B．lethal
C．painful
D．disease-causing
SECTION B PASSAGES
Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.
听力原文： Bees are very small animals which fly through the air to look for flowers for food. When a bee has found some food, it returns to their home called a hive and dances. The dance is the way the bee communicates to other bees the fact that it has found food.
Bees do two kinds of dances to tell other bees of their discovery of food. First, there is a round dance. The bee moves in a circle inside the hive. The round dance is used when food is close by, not more than ten meters away. The other bees also smell the bee that has found the food. The smell tells them what kind of flower to look for. After watching the round dance and smelling the bee that has found the food, the other bees can find the food source.
A second kind of dance done by the bees is a tail-wagging dance. The tail-wagging dance is used when the food is more than ten meters away. The bees know from the speed of the tail-wagging dance just how far away the food source is. The line the bee dances on shows the direction that the bees must fly in to find the food. The bees also smell the bee that has found the food to know what kind of flower to look for.
What do the bee's round dance and tail-wagging dance indicate？
A．The smell of the food.
B．The quality of the food.
C．The distance of the food.
D．The amount of the food.
Leaking oil seals on a diesel engine turbocharger can cause
A.the engine to run after the fuel has been secured
B.the engine to over-speed
C.a fire
D.all of the above
听力原文： (9) A 12-storey building has collapsed in the Egyptian capital Cairo after a fire in the lower floors. A number of people are trapped in the wreckage and about 30 people were injured. The fire broke out in the ground floor of the 12-storey building in the modern suburb of Cairo. Police officials say it started in a fast food restaurant or possibly in an adjacent home appliances shop. Hundreds of residents lived in the apartment block. They were able to leave before the building collapsed 3 hours after the fire started. (10) Policemen and firemen, however, were trapped when the upper floors came crashing down. Working under floodlights, their colleagues have been battling to free them from the rabble. The governor of Cairn said the collapsed building had planning permission for 4 floors only. But at least 7 other floors were added on illegally.
The fire broke out in ______ of the 12-storey building.
A．the ground floor
B．the second floor
C．the fourth floor
D．the seventh floor
A.Fusible links must be replaced if a damper is activated
B.Fusible links are tested by applying a source of heat to them
C.Fusible links must be replaced at every inspection for certification
D.A fusible link will automatically open after a fire is extinguished and reset the damper
Condor a catamaran vessel operating between the Channel Islands and France．The vessel has two main engines in each hull．All propulsion units are duplicated，with each set independent from the other．
Shortly after leaving St Helier，Jersey，with 31 passengers and 18 crew，the fire alarm sounded indicating a fire in the starboard engine room．This was confirmed by the closed circuit television surveillance system which showed flames in the vicinity of the starboard outer main engine．The vessel was immediately stopped，all machinery in the starboard engine room was stopped and the fuel supplies shut down．Jersey Radio was informed of the situation two minutes after the alarm sounded. After closing all ventilation openings and accounting for all personnel，halon fire smothering gas was released into the starboard engine room．This was done five minutes after the fire alarm first sounded. The crew maintained boundary cooling and intermittently operated the sprinkler system to the affected space．
Twenty minutes after the alarm sounded the situation was considered to be under control．Using the port main engines the vessel returned to St Helier where assistance was available from shore based emergency services．
问题：
Condor has two ________ main engines．
A.combined
B.independent
C.couple
D.double
The fire accident happened in ________．A.both the engine rooms
B.neither engine rooms
C.the port engine room
D.the starboard engine room
The fire was mainly extinguished with ________．A.water
B.chemical agent
C.foam
D.powder
It can be concluded that ________．A.no officials from any authority know the accident after it happened
B.some officials ashore must have learnt the accident at very beginning
C.there must be casualties even they were not mentioned in the report
D.fire is not dangerous on board vessel
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