According to Brand, older workers suffered less than young laid-off workers becauseA．young

?

A．The study was a long-term observation on 4,373 subjects.

B．The layoff offers people more time participating in such social activities as community groups.

C．A laid-off worker may also lose his membership in a professional organization.

D．Young people are more likely to lose their jobs than people in their senior years.

The word "reciprocal"(Line 2, Paragraph 3)is closest in meaning to

A．contrary.

B．reverse.

C．complementary.

D．complimentary.

According to the study of the effects of getting laid-off, we can learn that

A．unemployment can damage economic growth.

B．the laid-off workers are usually forced to quit their jobs.

C．35% of laid-off workers are not willing to be engaged in social activities.

D．workers who were forced to lose jobs might refrain from social activities in their future life.

We can infer from the passage that

A．no definite conclusion has been reached yet.

B．the author is very certain about the location of the site.

C．Paititi is the first site they have found in Peru.

D．Paititi was built by the Inca.

The authors attitude toward the new discovery is

A．optimistic.

B．pessimistic.

C．objective.

D．excited.

According to Francisco, the Peruvian government officials will

A．have a press conference.

B．go to the newly built site.

C．find where the ancient city is.

D．send a group of people to probe the ruins.

According to the text, which of the following is true?

A．The newly discovered site is the ancient "lost city" of Paititi.

B．Paititi has been attracting many explorers since it is an excellent tourist resort.

C．The newfound site will be proposed as a place of interest.

D．The location of the site is exactly in accord with the historical records.

What is this text mainly about?

A．The history of Paititi.

B．A report of a newfound ancient site.

C．The location of Paititi.

D．An introduction of a new site.

What is the writers attitude toward the prospect of volcanic eruption prediction?

A．Pessimistic.

B．Skeptical.

C．Bothered.

D．Regretful.

What is this passage mainly about?

A．Effective control over volcanic eruptions.

B．Effective prediction about lahars.

C．Damage of volcanic eruptions to human beings.

D．Perspective of prediction about volcanic eruptions.