请问两题2002-10的阅读

Archaeological discoveries have led some scholars to believe that the first Mesopotamian fficeffice" />

inventors of writing may have been a people the later Babylonians called Subarians. According to

tradition, they came from the north and moved into Uruk in the south. By about 3100B.C, They

were apparently subjugated in southern ffice:smarttags" />Mesopotamia by the Sumerians, whose name became

(5) synonymous with the region immediately north of the Persian Gulf, in the fertile lower valleys of the

Tigris and Euphrates. Here the Sumerians were already well established by the year 3000B.C.

They had invented bronze, an alloy that could be cast in molds, out of which they made tools and

weapons. They lived in cities, and they had begun to acquire and use capital. Perhaps most

important, the Sumerians adapted writing (probably from the Subarians) into a flexible tool of

(10)communication.

24. The phrase "synonymous with" in line 5 is closest in meaning to

A). equivalent to

B). important for

C). respected in

D). familiar with

Generally, in order to be preserved in the fossil record, organisms must possess hard body parts

such as shells or bones. Soft, fleshy structures are quickly destroyed by predators pr decayed by

bacteria. Even hard parts left on the surface for and length of time will be destroyed Therefore,

organisms must be buried rapidly to escape destruction by the elements and to be protected

(5) agents of weathering and erosion Marine organisms thus are better candidates for

fossilization than those living on the land because the ocean is typically the site of sedimentation,

whereas the land is largely the site of erosion.

35. The fact that the "land is largely the site of erosion" (line 7) is significant because

A). erosion is less destructive than sedimentation

B). fossils are most common in areas subject to erosion

C). erosion contributes to the destruction of skeletal remains

D). few organisms live in areas that experience extensive erosion

两题答案都是D

第24题单字synonymous”同义的”,所以我选A

第35题我选C

请教大家正确答案的原因 谢谢