根据下列阅读材料,回答 51~55 题:
第 51 题 The author says that old family firms __________.
根据下列材料请回答 36~55 题:
第 36 题
A.a skill
B.an interest
C.a gift
D.an advantage
根据下列材料请回答 51~65 题:
The Greatest Mystery of Whales
The whale is a mammal(哺乳动物)一warm—blooded,air-breathing,giving birth to its young alive,sucking them—and,like all mammals,originated on land,There are many signs of this.________(51)front flippers(鳍肢),used for steering and stability,are traces of feet。
Immense strength is built into the great body of the big whales,and in fact most of a whale’s body is one gigantic muscle。The blue whale’s pulling________ (52)has been estimated at 400 horsepower.One specimen was reported to have________ (53) a whaling vessel for seven hours at the________ (54)of eight knots.
An enraged whale will attack a ship.A famous________ (55)of this was the fate of whaler Essex,which was sunk________(56)the coast of South America early in the last century.More recently ,steel ships have had their plates buckled(扭曲变形)in the same way.Sperm whales were known to________ (57)the old—time whaleboats in their jaw sand crush them.
The greatest mystery of whales is their diving ability.The sperm whale can________ (58)the bottom for his favorite food,the octopus(章鱼).________ (59)that search he is known to go as far down as 3,200 feet,where the pressure is 1,400 pounds,to the square inch.Doing________ (60)he will remain submerged(水下的)as long as one hour.Two feats(绝技)are involved in this:storing up enough________ (61)(all whales are air-breathed)and withstanding the great change in pressure.Just________(62)he does it scientists have not determined.It is believed that some of the oxygen is stored in a special system of blood vessels,rather than just held in the lungs。And________ (63)is believed that a special kind of oil in his head is some sort of compensating mechanism that automatically adjusts the internal pressure of his body.But________ (64)you can’t bring a live whale into the laboratory for study,no one________(65)just how these things work.
第 51 题
A.Their
B.It's
C.Theirs
D.Its
根据下列材料请回答 51~65 题:
UFO
Sixty years ago.a mannamed Kenneth Arnold saw something that we can sti_________(51)today-somethingthat changed popular culture for everFlying his plane over mountains in the USstate of Washington,he saw a line of strange objects,eithercrescent-shaped(月牙形的)or disc—like,flying the motion of asaucer(碟)skimming(飞速掠过)on water.
The media soon picked up on the story-theFlying Saucers were earth being________(53)by creatures from another planet?Soon.so were made that the US military began to_______(54).It called theseUFOs—Unidentified Flying Objects,and that is how they are________(52)here! Wasthe many sightings strange objects________(55)todayMilitary investigations foundno evidence of visitors from outer space.But that did not stop thetrue________(56).The military were________(57)up,they said.Or maybe it wasbecause the travelers from space were of such superiorintelligence________(58)they could hide from military analysts(分析家)People havealways seen strange lights in the sky.I n the past these wereexplained________(59)ways.In a world where religion was less influential andscience fiction was popular, signs from God were replaced by visitors fromother_________(60)
The date of the first UFO sightings was alsosignificant.In 1947,World War II had just ended and the in endless conflictsskies for help.But aliens(外星人)with of science.(61)War was justbeginning.Humanity seemed locked Like generations before them,peoplelooked________(62)the instead of seeking God,they looked for help fromsuper-intelligent________(63)technology.Belief in UFOs became the firstreligion
However,even people who believe earth.The universe is a big placeand it is in UFOs are not quite sure why they visit the________(64)to assumethat there is life somewhere out there.It is possible that aliens have workedout how to travel through space,Yet some people report that they have been takenby aliens and have had experiments universe to States?conduct medical________(65)on them.Why would anyone travel across half the experiments onpeople living in small towns in the United.
第 51 题
A.see
B.look
C.seek
D.feel
根据材料请回答 51~65 题
Most people would be 51 by the high quality of medicine 52 to most Americans.
There is a great deal of attention to the individual, a 53 amount of advanced technical e-quipment, and intense efforts not to make mistakes because of the financial risk which doc-tors and hospitals must face in the courts if they 54 things badly.
But the Americans are in a mess.The problem is the way in 55 health care is organ-ized and financed. 56 to public belief it is not just a free competition system.To the pri-vate system has been joined a large public system, because private care was simply not__57 the less fortunate and the elderly.
But even with this huge public part of the system, 58 this year will eat up 84.5 bil-lion dollars more than 10 per cent of the U.S, budget large numbers of Americans are left 59 .These include about half the 11 million unemployed and those who fail to meet the strict limits 60 income fixed by a government trying to make savings where it can.
The basic problem, however, is that there is no central control 61 the health sys-tem.There is no 62 to what doctors and hospitals charge for their services, other than what the public is able to pay. The number of doctors has shot up and prices have climbed.When faced with toothache, a sick child, or a heart attack, all the unfortunate person concerned can do is pay up.
Two-thirds of the population 63 covered by medical insurance.Doctors charge as much as they want, 64 that the insurance company will pay the bill.The rising cost of medicine in the U.S.
A is among the most worrying problems fa-cing the country.In 1981 the country's health bill climbed 15.9 per cent about twice as fast as prices 65 general.
第 51 题
A.compressed
B.impressed
C.obsessed
D.repressed