According to Paragraphs 4 and 5, which of the following statements is true about the study?
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.

未分类题We can infer from the passage thatA．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.

判断题对于新建公路，用路基临界高度来确定路基干湿类型。()

未分类题拟发行上市公司的改制重组应遵循以下()原则。

未分类题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.

未分类题According to Francisco, the Peruvian government officials willA．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.