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提问人:网友xoxoonline 发布时间:2022-01-07
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Supporters of all three theories would agree that:A.imprinted genes evolved as a means

Supporters of all three theories would agree that:

A.imprinted genes evolved as a means of regulating reproduction-related events.

B.imprinted genes should be absent in non-placental animals (animals whose offspring develop without a placenta).

C.if an embryo is formed without female-imprinted genes, the future ability of the mother to bear off-spring will be jeopardized.

D.imprinted genes should always be turned off in the mother.

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更多“Supporters of all three theories would agree that:A.imprinted genes evolved as a means”相关的问题
第1题
听力原文:The front-runner in the presidential election in Haiti Rene Preval has accused th

听力原文: The front-runner in the presidential election in Haiti Rene Preval has accused the electoral authorities of committing fraud in an attempt to stop him winning outright. With almost all the votes counted, Mr. Preva1 is just short of the majority needed to avoid a second round. Two people were killed during unrest in the city. The United Nations Security Council has called for calm and extended the mandate of its peace mission in Haiti by six months. According .to official election figures with around 90 per cent of the votes counted, Rene Preval is just short of the 50 per cent he needs to avoid a second round runoff. Speaking in the Haitian capital Port-au-Prince, he said he'd seen gross errors and probably gigantic fraud. Claiming a first round victory, he urged his supporters to keep up protests, but he also called them on to be mature, responsible and non-violent.

If Rene Preval's supporters exceeded 50% of the total voters, he would

A.surpass another candidate.

B.be the president of Haiti.

C.avoid a second round runoff.

D.defeat his rival in the first round.

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第2题
SECTION BPASSAGESDirections: In this section, you will hear several passages. Listen to th

SECTION B PASSAGES

Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.

听力原文: Some people argue that the pressure on international sportsmen and sportswomen kills the essence of sport-the pursuit of personal excellence. Children kick a football around for fun. When they get older and play for local school teams, they become competitive but they still enjoy playing. The individual representing his country cannot afford to think about enjoying himself, he has to think only about winning. He is responsible for an entire nation's hopes, dreams and reputation.

A good example is the football World Cup. Football is the world's most important sport. Winning the World Cup is perhaps the summit of international sporting success. Mention "Argentina" to someone and the chances are that he'll think of football.

In a sense, winning the World Cup "put Argentina on the map".

Sports fans and supporters get quite irrational about the World Cup. People in England felt that their country was somehow important after they won in 1966. Last year thousands of Scots sold their cars, and even their houses, and spent all their money traveling to Argentina, where the finals were played.

So, am I arguing that international competition kills the idea of sport? Certainly not! Does the Argentina really believe that because eleven of their men proved the most skillful at football, their nation is in every way better than all others? Not really. But it's nice to know that you won and that in one way at least your country is the best.

What is the author's main purpose in the passage?

A.To prove that football is the world' s most important sport.

B.To show that Argentina is better than others.

C.To compare Scotland with Argentina.

D.To explain the role of sport.

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第3题
Supporters of Coca-Cola would say that its new practice will ______.A.set a moral example

Supporters of Coca-Cola would say that its new practice will ______.

A.set a moral example for other commercialism on campus

B.stop any commercialism in school in the near future

C.help the business prevail over others in school

D.gain a wide acclaim from all the students

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第4题
According to the passage, Argentina is world-famous because of its______.A.large number of

According to the passage, Argentina is world-famous because of its______.

A.large number of sports fans and supporters

B.successes in the football World Cup

C.obvious position on the map

D.excellence at all important sports

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第5题
听力原文: Fifteen people are to appear in court in Manchester today following disturbances
on a train bringing football supporters back from matches in London. Eyewitnesses report that the trouble began when groups of rival supporters whose teams had both been playing for London clubs began to insult each other. After fighting had broken out police boarded the train just outside Manchester and arrests were made. British Rail has announced that they are considering withdrawing all soccer special operating from Manchester.

Fighting broke out on train to Manchester ______ .

A.between football fans supporting rival teams

B.between football players of rival teams

C.between football supporters and the police

D.between football players and the police

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第6题
听力原文: 15 people are to appear in court in Manchester today following disturbances on a
train bringing football supporters back from matches in London.Eyewitnesses report that the trouble began when groups of rival supporters whose teams had both been playing for London clubs began to insult each other. After fighting had broken out police boarded the train just outside Manchester and arrests were made. British Rail has announced that they are considering withdrawing all soccer special operating from Manchester.

______ people are to appear in court in Manchester today.

A.15

B.50

C.5

D.S

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第7题
The sum of money I have already had is not ________ enough at all for the price of th

A.almost

B.mostly

C.nearly

D.near

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第8题
If the doctor came earlier yesterday,() babies would not have been dead.

A.th

B. all poor little

C.all the little poor

D.all the poor little

E.the all 1ittle poor

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第9题
Since there are all kinds of cameras here,which do you () I take?A. hopeB. believeC. th

A. hope

B. believe

C. think

D. sugesst

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第10题
____________ , I found all the seats were taken.A、 To enter the classroomB、 Entered th

____________ , I found all the seats were taken.

A、 To enter the classroom

B、 Entered the classroom

C、 Entering the classroom

D、 To be entered the classroom

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