61.   Despite serious technical obstacles, space agency officials are considering whether to launch a Jupiter space probe powered entirely by sunlight.

62.   Despite technical obstacles, scientists at NASA are considering the project.

63.   Diaghilev is considered by many to be the creator of the first modern dance company.

64.   Do you consider yourself an active participant in the political world?

65.   Dole is considered to be the man to beat in the Republican presidential contest.

66.   During the investigation no one will be considered above suspicion.

67.   During the summer, air conditioning is considered essential.

68.   Each case must be considered on its own merits though it is important that action is taken at the appropriate time.

69.   Economists consider some job losses inevitable, even healthy, because automation leads to higher levels of productivity.