C
Some villagers were going to celebrate an important wine festival(酒宴)in a few days’time，So they borrowed a huge barrel from the nearest town，put it in the village square, and decided that each of them should empty a bottle of the best wine he had into it，so that there should be plenty at the feast(宴会).
One of the villagers thought he would be very clever.“If I pour a bottle of water in.instead of wine.No one will notice it，”he said to himself. “because there will be so much excellent wine in the barrel that the water will be lost in it.”
The night of the feast arrived.Everybody gathered in the village square with their bowls and their glasses for the wine.The tap(塞子)on the barrel was opened，but what came out was pure water.Everyone in the village had had the same idea.
44.The villagers borrowed a huge barrel in order to__________.
A.hold water
B.take the place of wine bottleC.hold wine
D.empty bottles
答案：C
45.From the passage we know that the feast would be held_________.
A.in the village square
B.in the nearest town
C.around the barrel
D.in their houses
答案：A
46.The sentence“the water will be lost in it”can be considered as________.
A.the water would be mixed up with the wine
B.the water couldn't：be found in the wine
C.the water would flow through the barrel into the ground
D.the water would be gone in the barrel
答案：A
47.What came out of the barrel was pure water because_______.
A.all the wine had turned into water
B.everybody in the village had poured water into the barrel
C.someone had stolen the wine and put water into the barrel
D.not only the man but the other villagers were very clever
答案：BD
Like everyone else working at the Limerick nuclear-power( 核能)plant，Stanley Watras had to pass through the monitors(监测器)before leaving the buildin9.Most of his co-workers.passed through without a problem，but Watras，an engineer，continually set off alarms(警报).Some days he was found to be carrying six times more radiation(辐射物)than normal.
Neither Watras nor his co-workers could understand where he was picking it up.
Then one day Watras went through the door at Limerick and turned and walked back through the monitors without ever entering the power block.Yet the machines still said he was carrying radiation.“If I wasn’t picking up radiation at work,there was only one place it could be coming from：my house.”
When scientists came to test the Watrases’home in the countryside， they found out what was the matter.The house contained so much radon(氡)that living in it for a year was like being exposed(暴露)to 260， 000 chest X-rays.In the year the Watrases had spent there，they had increased their chances of getting lung cancer(癌症)by 13 or 14 percent.
The next day the Watrases took down their Christmas tree，put their clothes in some bags and moved into a nearby hotel.“It was terrible，” says Watras.The owner of the Limerick plant took charge of dealing with the
Watrases ’ radon problem as an experiment.Scientists studied every comer of the house.When the ground was dug up， they found that under the house there was a uranium(铀)-beating rock.
48.It was because________ that Stanley Watras was carrying six times more radiation than normal.
A.he worked at a nuclear—power plant
B.there was something wrong with the monitors
C.he lived in a house in the countryside
D.his house was built on a uranium-beating rock
答案：D
49.The monitors at the gates of the plant building gave alarms________.
A.only whell Watras was leaving the building
B.whenever Watras's co-workers were leaving the building
C.only when Watras was passing through one day
D.whenever Watras was passing through.Them
答案：D
50.Watras understood he was picking up radiation at.home as_________.
A.he always set off alarms when passing through the monitors
B.most of his co-workers passed through the monitors without problem
C.he proved one day he wasn’t picking up.radiation at work
D.scientists found out his house contained radiation
答案：C
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