The word "tangled" is closest in meaning to which of following?
(A) buried beneath
(B) twisted together
(C) quickly formed
(D) easily dated
011. The asphalt at La Brea seeps to the surface, especially in the summer, and forms shallow puddles that would often have been concealed by leaves and dust.
The word "concealed" is closest in meaning to which of following?
(A) highlighted
(B) covered
(C) transformed
(D) contaminated
012. The ocean bottom --- a region nearly 2. 5 times greater than the total land area of the Earth --- is a vast frontier that even today is largely unexplored and uncharted, until about a century ago, the deep-ocean floor was completely inaccessible, hidden beneath waters averaging over 3,600 meters deep.
The word "inaccessible" is closest in meaning to which of following?
(A) unrecognizable
(B) unreachable
(C) unusable
(D) unsafe
013. The DSDP's drill ship, the Glomar Challenger, was able to maintain a steady position on the ocean's surface and drill in very deep waters, extracting samples of sediments and rock from the ocean floor.
The word "extracting" is closest in meaning to which of following?
(A) breaking
(B) locating
(C) removing
(D) analyzing
014. Today, largely on the strength of evidence gathered during the Glomar Challenger's voyages, nearly all earth scientists agree on the theories of plate tectonics and continental drift that explain many of the geological processes that shape the Earth.
The word "strength" is closest in meaning to which of following?
(A) basis
(B) purpose
(C) discovery
(D) endurance
