AN APPOINTMENT BETWEEN VESSELS NORMALLY MADE ON RADIO TO MEET IN A CERTAIN AREA OR POSITIO

A.cap

B.gate

C.indifference

D.gap

The need of the hour is to enhance and _______(large) the scope of cooperation between nations.

WhyDid one scientist expose birds to artificialDaylight？

A.To test the relationship betweenDaylight and aDisease of the glands common tobords

B.To test the relationship betweenDaylight and migration．

C.To test the relationship between migration and temperature．

D.To test the relationship betweenDaylight and changes in the season．

The word "civil" in Paragraph 3 refers to wars that are______.

A．long-lasting

B．fought between one part of a country and another

C．short but frequent

D．carried out according to international laws

A.To correct mistakes in spelling and grammar.

B.To make smooth transitions between ideas.

C.To add more specific details and examples.

D.To improve overall effectiveness.

The passage mainly discusses ______.

A．the development of art history

B．the difference between general history and art history

C．what we can learn from art

D．the influence of artists on art history

Why did one scientist expose birds to artificial daylight？

A．To test the relationship between daylight and a disease of the glands common to birds.

B．To test the relationship between daylight and migration.

C．To test the relationship between migration and temperature.

D．To test the relationship between daylight and changes in the season.

According to the passage, cutting trees to grow more food______.

A．will widen the gap between the developed and the developing countries

B．is but a short-term relief to the food problem

C．can hardly alleviate the shortage of food

D．proves to be an effective way out for impoverished nations

______lie(s)between the boundary of Canada and the U. S. and serve(s)as the boundary between the two countries.

A．The Mississippi River

B．The Great Lakes

C．The Rocky Mountains

D．The Grand Canyon

9：What is the passage mainly about？

A.Similarities in the interpersonal relationships between urbanites and small-town dwellers.

B.Advantages of living in big cities as compared with living in small towns.

C.The positive role that urbanism plays in modern life.

D.The strong feeling of alienation of city inhabitants.