题目内容
（请给出正确答案）
A negative side of the Obama effect is that______.
A．more people have started to criticise President Obama's racial policies
B．relations between whites and African Americana may become tense again
C．people are now less ready to support policies addressing racial inequality
D．white people are likely to become more critical of African Americans
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更多“A negative side of the Obama e…”相关的问题
A．One should try to mind the negative side of a new culture.
B．Only unhappy people get culturally shocked in a strange land.
C．Culture shock is necessary in learning about a new culture.
D．Culture shock will accompany a foreign settler all the life.
A negative side of the Obama effect is that ______.
A．more people have started to criticise President Obama's racial policies
B．relations between whites and African Americans may become tense again
C．people are now less ready to support policies addressing racial inequality
D．white people are likely to become more critical of African Americans
A negative side of the Obama effect is that ______.
A) more people have started to criticise President Obama's racial policies
B) relations between whites and African Americans may become tense again
C) people are now less ready to support policies addressing racial inequality
D) white people are likely to become more critical of African Americans
A.practiced
B.administered
C.ordered
D.watched
听力原文： Coffee can be considered one of nature's greatest gifts.It gives mental and emotional clarity without harmful side effects,and it contains a wealth of nutrients.Yet,when most people drink coffee,they are not thinking that the beverage is improving their health.In fact,some may even feel a little guilty,since some believe coffee isn't good for you at all.
The truth of the matter is: coffee,like anything else,can cause problems if too much is consumed.In the short-term,too much coffee will cause sleeping problems and hypertension.In the long-term,too much coffee will cause stomach problems as well as teeth staining.
As far as the benefits,moderate consumption of coffee,which means 1 to 4 cups a day,provides your body with a wealth of antioxidants.These substances are responsible for eliminating free radicals.They are the chemical byproducts produced any time your body does something.A small number of them can help serve as a buffer against negative elements,but if they aren't kept in check,they can cause health problems.Antioxidants ensure that this doesn't happen.
Even the caffeine content within coffee can be beneficial toward your health.One way it does this is by cleaning the water of your body's cells,which keeps your weight down while cleaning out impurities.
Why do some people feel guilty when they drink coffee？
A．They are not allowed to drink coffee.
B．They think coffee does no good to them.
C．They think coffee is too expensive.
D．They should not drink coffee when working.
The author’s purpose in writing the passage is ________.
A) to give advice on appropriate conduct for social occasions
B) to provide ways of how to obtain information about people
C) to call the reader’s attention to the negative side of people’s characters
D) to discuss the various aspects of getting to know people
The idea of a fish being able to generate electricity strong enough to light lamp bulbs--or even to run a small electric motor--is almost unbelievable, but several kinds of fish are able to do this. Even more strangely, this curious power has been acquired in different ways by fish belonging to very different families.
Perhaps the best known are the electric rays, or torpedoes(电鳐), of which several kinds live in warm seas. They possess on each side of the head, behind the eyes, a large organ consisting of a number of hexagonal shaped cells rather like a honeycomb. The cells are filled with a jelly-like substance, and contain a series of flat electric plates. One side, the negative side, of each plate, is supplied with very fine nerves, connected with a main nerve coming from a special part of the brain. Current passes from the upper, positive side of the organ downwards, to the negative, lower side. Generally it is necessary to touch the fish in two places, completing the circuit, in order to receive a shock.
The strength of this shock depends on the size of the fish, but newly born ones only about 5 centime-tres across can be made to light the bulb of a pocket flashlight for a few moments, while a fully grown torpedo gives a shock capable of knocking a man down, and, if suitable wires are connected, will operate a small electric motor for several minutes.
Another famous example is the electric eel. This fish gives an even more powerful shock. The system is different from that of the torpedo in that the electric plates run longitudinally(纵向) and are supplied with nerves from the spinal(脊骨) cord. Consequently, the current passes along the fish from head to tail. The electric organs of these fish are really altered muscles and like all muscles are apt (likely) to tire, so they are not able to produce electricity for very long.
The power of producing electricity may serve these fish both for defence and attack.
It can be seen from the passage that（）.
A.the capacity to generate electricity is the distinctive characteristic of the fish
B.the current travels in an upward direction from the positive side to negative side in torpedo's electric cells
C.some fish can produce enough electricity to drive a number of electric motors
D.the torpedo' s electric cells have a shape with six sides
Well, coffee, like anything else, can cause problems if too much is【C5】______ . Moderate consumption of coffee【C6】______ your body with a wealth of antioxidants. These substances are responsible【C7】______ eliminating free radicals. They are the chemical byproducts produced any time your body does something. A small numi6er of them can help serve【C8】______ a buffer against negative elements, if they aren't【C9】______ in check, they can cause health problems. Antioxidants ensure that this doesn't happen.
The psychological effects of caffeine cannot be【C10】______ either. Not only does caffeine make you more 【C11】______ , but it can actually affect your mood. If you were feeling【C12】______ or overwhelmed, a nice cup of coffee could change your【C13】______ . The stack of work that seemed impossible before isn't even a
problem now.
【C14】______ , caffeine helps stimulate creativity as it speeds up the body's functioning. That's why coffee is often【C15】______ with writers and other intellectual professions. Other drags【C16】______ to make people dumber. Consider what happens when people get high off of crack or when they get drank off of alcohol. They won't be【C17】______ at all. But with coffee, an individual gets a creative boost【C18】______ still helping their bodies.
In conclusion, don't feel bad when you've brewing your morning cup of coffee.【C19】______ a can of soda or a shot of alcohol, coffee will make you feel wonderful while keeping you healthy. Just remember, you do have to consume the beverage in【C20】______ .
【C1】
A．clean
B．clarity
C．brightness
D．clear
Among the following which one is not the negative consequence according to the passage？
A．The kids are emotionally fragile and they can't stand on their own.
B．They don't know how to make sound decisions.
C．They aren't equipped to deal with failure and frustration.
D．They are lucky to have their parents aroun
The September 11 terrorist attack is an example of ______.
A．the creative side of systems theory
B．the destructive side of systems theory
C．the organizational side of systems theory
D．the sensational side of systems theory
