The word "distinguished" is closest in meaning to which of following?

　　(A) differentiated

　　(B) removed

　　(C) honored

　　(D) protected

　　148. Each SMSA would contain at least (a) one central city with 50,000 inhabitant or more or (b) two cities having shared boundaries and constituting, for general economic and social purposes, a single community with a combined population of at least 50,000, the smaller of which must have a population of at least 15,000.

　　The word "constituting" is closest in meaning to which of following?

　　(A) located near

　　(B) determined by

　　(C) calling for

　　(D) making up

　　149. The Anasazi lived in houses constructed of adobe and wood. Anasazi houses were originally built in pits and were entered from the roof.

　　The word "pits" is closest in meaning to which of following?

　　(A) stages

　　(B) scars

　　(C) seeds

　　(D) holes

　　150. Each kiva had a fire pit and hole that was believed to lead to the underworld. The largest pueblos had five stories and more than 800 rooms.

　　The word "stories" is closest in meaning to which of following?

　　(A) articles

　　(B) tales

　　(C) levels

　　(D) rumors

　　151. The village chief dealt with land disputes and religious affairs. The war chief led the men in fighting during occasional conflicts that broke out with neighboring villages and directed the men in community building projects.

　　The word "disputes" is closest in meaning to which of following?

　　(A) discussions

　　(B) arguments

　　(C) developments

　　(D) purchases

　　152. This had a considerable effect on cattle ranching, since the herds no longer had unrestricted use of the plains for grazing, and the fencing led to conflict between the farmers and the cattle ranchers.

　　The word "unrestricted" is closest in meaning to which of following?

　　(A) unsatisfactory

　　(B) difficult

　　(C) considerable

　　(D) unlimited

　　153. The steel wires used are galvanized-coated with zinc to make them rustproof. The two wires that make up the line wire or cable are fed separately into a machine at one end. They leave it at the other end twisted together and barbed.

　　The word "fed" is closest in meaning to which of following?

　　(A) put

　　(B) eaten

　　(C) bitten

　　(D) nourished

　　154. The pressure exerted on the human body increases by 1 atmosphere for every 10 meters of depth in seawater, so that at 30 meters in seawater a diver is exposed to a pressure of about 4 atmospheres.

　　The words "exposed to" in line 6 are closest in meaning to

　　(A) leaving behind

　　(B) prepared for

　　(C) propelled by

　　(D) subjected to

　　155. Deep dives are less dangerous if helium is substituted for nitrogen, because under these pressures helium does not exert a similar narcotic effect.

　　The word "exert" is closest in meaning to which of following?

　　(A) cause

　　(B) permit

　　(C) need

　　(D) change

　　156. As a scuba diver descends, the pressure of nitrogen in the lungs increases. Nitrogen then diffuses from the lungs to the blood, and from the blood to body tissues.