To weaken the damage for earthquakes, scientists are working on ways to enable accurate pr
A.relieve
B.deduct
C.minimize
D.rid
A.relieve
B.deduct
C.minimize
D.rid
A、weaken
B、damage
C、do harm to
D、refresh
A、it sometimes prevents the satellites from flying higher
B、it can damage electronic equipment
C、it can weaken the signals sent back by the satellites
D、it usually destroys the antennas
A.It enabled the bank to retain customers at an acceptable rate.
B.It threatened to weaken the bank's competitive position with respect to other regional banks.
C.It had already been improved after having caused damage to the bank's reputation in the past.
D.It was slightly superior to that of the bank's regional competitors.
A.It enabled the bank to keep customers at an acceptable rate.
B.It had already been improved after having caused damage to the bank"s reputation in the past.
C.It was slightly superior to that of the bank"s regional competitors.
D.It threatened to weaken the bank"s competitive position.
A.It enabled the bank to retain customers at an acceptable rate
B.It threatened to weaken the bank’s competitive position with respect to other regional banks
C.It had already been improved after having caused damage to the bank’s reputation in the past.
D.It was slightly superior to that of the bank’s regional competitors.
E.It needed to be improved to attain parity with the service provided by competing banks.
A.The numbers of neurotransmitters and receptor levels differs widely between dog brains and human brains.
B.Alterations in neurotransmitter and receptor levels might be the result of sleep disturbances, not the cause of it.
C.A particular site in the brain's frontal lobe is isolated where the bulk of the neurological damage occurs.
D.Too few acetylcholine, dopamine and norepinephrine neurotransmitters exist in dog brains to establish their role in narcolepsy.
E.An autoimmune dysfunction is conclusively proven to be the cause in a large but incomplete majority of narcolepsy cases.
A.The numbers of neurotransmitters and receptor levels differs widely between dog brains and human brains.
B.Alterations in neurotransmitter and receptor levels might be the result of sleep disturbances, not the cause of it.
C.A particular site in the brain's frontal lobe is isolated where the bulk of the neurological damage occurs.
D.Too few acetylcholine, dopamine and norepinephrine neurotransmitters exist in dog brains to establish their role in narcolepsy.
E.An autoimmune dysfunction is conclusively proven to be the cause in a large but incomplete majority of narcolepsy cases.
A.Most individuals have no formal training in how to extinguish fires.
B.Since new homes are only a tiny percentage of available housing in the city, the new ordinance would be extremely narrow in scope.
C.The installation of smoke detectors in new residences costs significantly less than the installation of sprinklers.
D.In the city where the ordinance was proposed, the average time required by the fire department to respond to a fire was less than the national average.
E.The largest proportion of property damage that results from residential fires is caused by fires that start when no household member is present.
The El Nino ("little boy" in Spanish) that pounded the globe between the summers of 1997 and 1998 was in some measure the most destructive in this century. Worldwide damage estimates exceed £ 20 billion--not to mention the human death toll caused by resulting droughts, floods and bushfires. El Nino and La Nina ("little girl" ) are part of a seesawing of winds and currents in the equatorial Pacific called ENSO (El Nino Southern Oscillation) that appears every two to eight years. Normally, westward-blowing trade winds caused by the rotation of the earth and conditions in the Tropics push surface water across the Pacific towards Asia. The warm water piles up along the coasts of Indonesia, Australia and the Philippines, raising sea levels more than a foot above those on the South American side of the Pacific. As El Nino builds the normal east-to-west trade winds wane. Like water splashing in a giant bathtub, the elevated pool of warm water washes from Asian shores back towards South America.
In last season' s cycle, surface temperatures off the west coast of South America soared from a normal high of 23℃ degrees to 28℃ degrees. This area of warm water, twice the size of the continental US, interacted with the atmosphere, creating storms and displacing high-altitude winds.
El Nino brought rain that flooded normally dry coastal areas of Ecuador, Chile and Peru, while droughts struck Australia and Indonesia. Fires destroyed some five million acres of Indonesian for est. The drought, along with the economic crisis, left about five million people desperate for food and water. These conditions helped set the stage for riots that led to the downfall of President Suharto. El Nino also took the blame for extreme temperatures in Texas last summer--over 38℃ degrees for a record 30 days in a row. In Florida, lush vegetation turned to tinder and bushfires raged. Even Britain has been sweltering with our hottest year on record in 1997.
As El Nino builds, ______.
A.the normal westward trade winds weaken
B.the normal eastward trade winds weaken
C.the normal westward trade winds strengthen
D.the normal eastward trade winds strengthen
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