Paragraph 2

A．Chronic diseases are complex genetic puzzles to scientists. B．How exceptional longevity-related genes function is known. C．Most centenarians have exceptional longevity-related genes. D．The integration of genes and environmental factors is important.

A．The Iceman was killed while working. B．The Iceman could have died from the wound in the head. C．The Iceman lived a poor life. D．The Iceman was struck dead from behind.

A．Its products used to be popular among overseas consumers. B．Its expansion has caused fierce competition in the snack market. C．It gives half of its annual profits to its parent company. D．It needs to turn to the word market for development.

A．hotels and restaurants B．show business C．top management group D．real estate development companies

A．debate B．humiliation C．risk D．bother

A．hemispherectomy has become a common procedure since 1888. B．the first patient performed with hemispherectomy finally conquered cancer. C．the entire hemisphere must be removed once diagnosed with seizures. D．seizures are hazardous because they can spread to the entire hemisphere.

A．the nation B．the artist C．awe D．optimism

A.McDonald ’s designs its menu to suit the local people B.millions of young adults got their first job with McDonald ’s C.the McDonald ’s menu sticks to old-fashioned favorites such as the Big Mac D.the low prices McDonald’s bring tens of millions of people through its doors every day

A.the UK is reluctant to remold its economic pattern . B.GDP as the measure of success is widely defied in the UK . C.the UK will contribute less to the world economy . D.policymakers in the UK are paying less attention to GDP .

A．guess B．imagination C．statement D．presupposition

A．security B．agreement C．insurance D．direction

A．one branch of an organization B．a written agreement of a club C．one part of a collection of poems D．a period in a society' s history

A not many B serious problem C bits of waste things D indtustrial pollution

A．“give up”． B．“speed up”． C．“slow down”． D．“build Up”．

A．her admiration for the men in the ads B．her mother’s warning that smokers don’t grow tall C．her height of 5’6” D．the teachers’ negative attitude towards smoking

A．“problems” B．“approaches” C．“solutions” D．“actions”

A．Hockey fans and researchers. B．Students in Beardsley's class. C．Producers of the TV program. D．Viewers of the ESPN program.

A．Easy to be influenced B．Harmful C．Beneficial D．Immune

A.burden B.a group of pending cases that were not dealt with at the proper time C.litigant D.situation

A．described B．advantaged C．identified D．bothered

A.Huntington’S and Tay．Sach can be diagnosed by genetic information because they are rare disorders B.someone who has a lower—than—average genetic risk of skin disease can suffer aterrainal skin cancer C.genetic test companies have tried to justify the uniqueness of their disease-predictionresults D.customers have to order genetic test online because it is illegal in real life

A．the typical model B．the child portrait C．the image spokesman D．the representation of activity

A．music was the most important element of silent films B．silent films rely on a combination of music and images in affecting an audience C．the importance of music in silent films has been overestimated D．live music compensated for the poor quality of silent film images