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There are many navigational aids（）.
A . in chief engineer's room
B . in chief officer's room
C . on the bridge
D . on deck
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At any time in economy, there are people who have more cash than what they actually need and are able to lend. They are called:
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Even though there are strict rules______ the use of chemicals in food, some food producers disregard them intentionally in order to gain more profits.
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There are more and more people ________ to buy cars.
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The small town has a mature transportation system. In addition to train, there are more (可供选择的) methods of travel available.
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翻译： There are many other hobbies which are considered to be a little bit more extreme, such as bungee jumping, sky diving, free running or abseiling.
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Identifying Patterns of DevelopmentEven if some people believe that there are some disadvantages brought by the Internet, they cannot deny the fact that it brings more advantages.
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In English, there are some natural words that naturally fit with other words and make them sound more natural._________
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If there are fewer trees, there __________ (be) more pollution.
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There are more verb tenses in Mongolian than in English.
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. According to Karel, the better people adhere to the process, the more disciplined they are, and the more waste there will be. 根据Karel的观点，人们越遵守流程，他们的纪律性就越明显，造成的浪费就越多。
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听力原文：So, if there are no more questions about the facilities at student services or an
听力原文： So, if there are no more questions about the facilities at student services or any of the special activities we have talked about, then we can move on to the next topic.
The last topic is health insurance. You will be required to have a health insurance policy of some sort at registration. If you are a scholarship student, you probably have automatic coverage established. If you are paying for your own tuition, you can still get insurance through the school. The forms to buy insurance from the school will be available at the registration desk when you register. If you have any questions about the benefits available, you can look at the back of the student handbook. In general, the school usually offers a good insurance policy compared to private companies so you should take a look. If you are receiving financial aid, you should contact your financial aid counselor to see if you can also receive insurance coverage.
If there are no other questions, that will do it for today .The best advice is to follow your student handbook and things should go smoothly. Remember, if there are any problems, you can ask me or any of the other student helpers. We will be under the sign that says "registrar's" at the registration area.
What is the speaker' s job？
A．The president of the university.
B．A registrar.
C．The head of the class.
D．A student.
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The diagnostic aids are indispensable in any case for a physician to diagnose a disease.
A．Right
B．Wrong
C．Not mentioned
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听力原文： Scientists say sharks have lived in the world's oceans for millions of years. Scientists say there are more than 350 different kinds of sharks.
Sharks do not have bones, and a shark has an extremely good sense of smell. It can find. small amounts of substances in the water, such as blood, body liquids and chemicals produced by animals. Sharks also sense electrical and magnetic power linked to nerves and muscles of living animals. These powerful senses help them find their fond. Some sharks will eat just about anything. Many unusual things have been found in the stomachs of some large sharks. They include shoes, dogs, a cow's foot and metal protective clothing.
About forty percent of the different kinds of sharks lay eggs. The others give birth to live young. Some sharks carry their young inside their bodies like humans do.
Scientists are beginning to understand the importance of sharks to humans. Medical researchers want to learn more about the shark's body defense system against disease. They know that sharks recover quickly from injuries. Sharks appear never to suffer infections, cancer or heart diseases.
What is this passage mainly about？
A．The necessity of protecting sharks.
B．The living environment of sharks.
C．The dangers of sharks to human beings.
D．An introduction to sharks.
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Questions 31 to 35 are based on the following passage. We all have offensive breath at one time or another. In most cases, offensive breath emanates from bacteria in the mouth, although there are other more causes.
Until a few years ago, the most doctors could do was to counsel patients with bad breath about oral cleanliness. Now they are finding new ways to treat the usually curable condition.
Bad breath can happen whenever the normal flow of saliva (唾液) slows. Our mouths are full of bacteria feeding on protein in bits of food and shed tissue. The bacteria emit evil smelling gases, the worst of which is hydrogen sulfide (硫 化物).
Mouth bacteria thrive in airless conditions. Oxygen rich saliva keeps their numbers down. When we sleep, for example, the saliva stream slows, and sulfur producing bacteria gain the upper hand, producing classic “morning breath”.
Alcohol hunger, too much talking, breathing through the mouth during exercise anything that dries the mouth produces bad breath. So can stress, though it’s not understood why. Some people’s breath turns sour every time they go on a job interview.
Saliva flow gradually slows with age, which explains why the elderly have more bad breath trouble than younger people do. Babies, however, who make plenty of saliva and whose mouths contain relatively few bacteria have characteristically sweet breath.
For most of us, the simple, dry mouth variety of bad breath is easily cured. Eating or drinking starts saliva and sweeps away many of the bacteria. Breakfast often stops morning breath.
Those with chronic dry mouth find that it helps to keep gum, hard candy, or a bottle of water or juice around. Brushing the teeth wipes out dry mouth bad breath because it clears away many of the offending bacteria.
Surprisingly, one thing that rarely works is mouthwash. The liquid can mask bad breath odor with its own smell, but the effect lasts no more than an hour. Some mouthwashes claim to kill the bacteria responsible for bad breath. The trouble is, they don’t necessarily reach all offending germs. Most bacteria are well protected from mouthwash under thick layers of mucus (粘液). If the mouthwash contains alcohol-as most do-it can intensify the problem by drying out the mouth.
第31题：The phrase “emanate from” in Paragraph 1 most probably means “________”.
A) thrive on
B) account for
C) originate from
D) descend from
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There are many examples of societies ___ people have done so much to be more beautiful.A.which
B.where
C.that
D.at which
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There are signs ________ restaurants are becoming more popular with families.
A) that
B) which
C) in which
D) whose
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Before a new type of airplane goes into service, every part of it is tested again and again. But there are two tests that are more important than all the others.
The first is called the "tank test". A modem airplane must fly very high in the sky. Air must be pumped into the plane so that the passengers can breathe. The metal structure (结构) of the plane has to be very strong for this reason. When the plane is filled with air, the air presses against the skin of the plane inside. The pressure (压力) on a small window is like a huge foot that is trying to get out. If a small part of the plane were to fail, the plane would explode in the sky. To test the structure of the plane, the plane is lowered into a huge tank or container of water. Then it is filled with air. The pressure inside the plane is greater than it ever will be when it is high up in the air. Finally, there is an explosion. This does not cause so much damage inside the water tank as it would anywhere else. Engineers can discover which part of the plane has broken. Then that part is made stronger.
The most dangerous test happens when the new plane is going through test flights in the air. The test pilot must find out exactly what happens when the engines(发动机) are all shut off at once. The plane begins to fall like a stone. It is the pilot's job to find out how he can get control of the plane again. These two tests are examples of how planes are made safe before they ever carry passengers.
By doing the "tank test", the engineers can find out______.
A．the amount of air in the plane
B．the strength of the plane structure
C．the pressure inside and outside the plane
D．the power of the airplane engines
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There are slightly more smokers among women with higher family income and higher education than among the lower income and lower educational groups.
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There are more women suffering from depression than men.
A．Y
B．N
C．NG
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Such ______ the case, there are no grounds to justify your complaints.
A．is
B．was
C．is being
D．being
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There are more and more crimes ______ a lack of rules and regulations.
A since
B because of
C because
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There are few things that are more rewarding（)being able to change some's life for
A．A.that
B．B.than
C．C.then
D．D.which
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In formal writings, there are more______（）
A．contracted structures
B．conversational structures
C．nominal structures
D．first person pronouns
