A、public
B、private
C、domestic
D、international
A、public
B、private
C、domestic
D、international
A、Liabilities can involve uncertainty in whom to pay
B、A company can create a known amount when issuing a note even though the holder of the not may not be known until the maturity date.
C、A company can have an obligation of a known amount to a known creditor but not know when it must be paid.
D、A company only records liabilities when it knows whom to pay, when to pay, and how much to pay.
E、A company can be aware of an obligation but not know how much will be required to settle it.
Learning disabilities are very common. They affect perhaps 10 percent of all children. Four times as many boys as girls have learning disabilities.
Since about 1970, new research has helped brain scientists understand these problems better. Scientists now know there are many different kinds of learning disabilities and that they are caused by many different things. There is no longer any question that all learning disabilities result from differences in the way the train is organized.
You cannot look at a child and tell if he or she has a learning disability. There is no outward sign of the disorder. So some researchers began looking at the brain itself to learn what might be wrong.
In one study, researchers examined the brain of a learning-disabled person who had died in an accident. They found two unusual things. One involved cells in the left side of the brain, which control language. These cells normally are white. In the learning disabled person, however, these cells were gray. The researchers also found that many of the nerve cells were not in a line the way they should have been. The nerve cells were mixed together.
The study was carried out under the guidance of Norman Geschwind, an early expert on learning disabilities. Doctor Geschwind proposed that learning disabilities resulted mainly from problems in the left side of the brain. He velieved this side of the brain failed to develop normally. Probably, he said, nerve cells there did not conncts as they should. So the brain was like an electrical device in which the wires were crossed.
Other researchers did not examine brain tissue. Instead, they measured the brain’s electrical activity and made a map of the electrical signals.
Frank Dully experimented with this technique at Children’S Hospital Medical Centre in Boston. Doctor Dully found large differences in the brain activity of normal children and those with reading problems. The differences appeared throughout the brain. Doctor Duffy said his research is evidence that disabilities involve damage to a wide area of the brain, not just the left side.
第41题 Which of the following is NOT mentioned in the passage?____________.
A Learning disabilities may result from the unknown area of the train
B learning disabilities may result from damage to a wide area of the train
C Learning disabilities may result from abnormal organization of the train cells.
D Leaning disabilities may result from problems in the left side of the brain.
A、all Japanese are well-behaved
B、most international students from China are diligent
C、women are beautiful
D、all Muslims are terrorists
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