Among participants with low self-esteem, those making the statement scored a dismal average of 10 while those that did not managed a brighter average of 17.

The average cost of producing a barrel of oil fell 1.4 percent to $19.50 from a year earlier and Cnooc will seek to maintain its “low-cost advantage, ” according to the statement.

The carbon-fiber aircraft reached a maximum speed of 68 knots (groundspeed), an average speed of 23 knots and a maximum altitude of 8, 564 metersabove sea level, a statement said.