Quiz 12.0

The main information of the text is

about....

• a peace treaty between the U.S. and

  Mexico.

• james Marshall, the gold miner.

• the discovery of gold in California.

• the gold rush in the United State

• the dream of the forty-niners to get

  rich quickly

From the text we may conclude that...

• Mexico regretted that it had to give

  up California to the U.S.

• James Marshall did not publicly an-

  nounce his discovery.

• A lot of “fortyniners” became rich

  within a very short time.

• California became a place where

  many foreigners

• Mexico made great efforts to eim

  California back

Which of the following statements about ultraviolet light is TRUE according to the test ?

• Ultraviolet is used by banks for com-

  puters.

• The position of ultraviolet rays is above

  the spectrum.

• Skin diseases can only be caused by ul-

  traviolet rays

• Ultraviolet light, which is part of the

  spectrum, cannot be seen.

• Ultraviolet light is one of the existing

  vitamins.

We benefit from ultraviolet rays as they can....

• sign customers' passbooks

• detect false signatures

• cure a particular kind of cancer

• check customers' deposits

• be a component in medicines

We may conclude that the writer's main purpose in writing the text is to ....

• encourage people to get the best advantage of ultraviolet rays

• explain that sunrays consist of violet and

  ultraviolet

• warn people against the alarming dangers caused by sunrays

• ask people to avoid the use of ultraviolet

  light as much as possible