Which of the following can be seen as the most serious fiction？

Which of the following can be seen as the effect of the Montreal Protocol?

A．Increase of CFC pollution.

B．Ozone improvement in the upper stratosphere.

C．Ozone improvement in the lower stratosphere.

D．Increase of bromine gas levels in the atmosphere.

Which of the following can best serve as the title of this passage? 

A.First Lady" s Senator Campaign.

B.Hillary" s TV Advertisement.

C.A Rivalry for New York" s Senate Seat.

D.The Focuses of Hillary Campaign.

Which of the following can be used as the best title of this passage?

A．Employment and the Economy.

B．Unemployment and the Economy.

C．The National Economy of the U.S.

D．Unemployment Rate.

Which of the following can be used as the title of the passage?

A．Trend for Next Half-century

B．Invention of PAN

C．Future Life

D．Government Function in Future

Which of the following can be used as the title of the passage?

A．Study of Human Brains

B．Imaging Techniques

C．Contribution of Israeli Researchers

D．Fine-tuning Imaging of Brain Activity

Which of the following can be chosen as the best title of this passage?

A．The Dykes in the Netherlands.

B．The Three Large Rivers in Holland.

C．The Fighting Against Water in Holland.

D．The Reclaiming of Land in the Netherlands.

Which of the following statements would provide the most of logical continuation of the final paragraph of the passage?

A．Thus Wynne — Edwards" theory raises serious questions about the constancy of animal population in a region.

B．Because Wynne- Edwards" theory is able to explain more kinds of animal behavior. than is the density-dependent theory, epideictic explanations of population regulation are now widely accepted.

C．The results of one study, for instance, have suggested that group vocalizing is more often used to defend territory than to provide information about population density.

D．Some of these studies have, in fact, worked out a systematic and complex code of social behavior. that can regulate population size.

E．One study, for example, has demonstrated that birds are more likely to use winter-roosting aggregations than group vocalizing in order to provide information on population size.

Which of the following can serve as the best title for the passage? 查看材料

A.It"s Harder to Admit One"s Mistake．

B.I Was Once the Culprit．

C.I Remember an Incident．

D.A Case of Mistaken Identity．

Which of the following can best serve as the title of the passage?

A．How to pay a gratitude visit.

B．How to make matters differently.

C．How to be thankful and improve your life.

D．How to become an appreciated man.

Which of the following can best serve as the topic of the passage?

A．Different kinds of food in the world.

B．Relations between food and social units.

C．Symbolic meanings of food consumption.

D．Culture and manners of eating