|
1.（173）The widely accepted big-bang theory holds that the universe began in an explosive instant10 to 20 billion years ago and has been expanding ever since. A.that the universe began in an explosive instant 10 to 20billion years ago and has been expanding B.that the universe had begun in an explosive instant 10 to20 billion years ago and had been expanding C.that the beginning of the universe was an explosive instant10 to 20 billion years ago that has expanded D.the beginning of the universe to have been an explosiveinstant 10 to 20 billion years ago that is expanding E.the universe to have begun in an explosive instant 10 to 20billion years ago and has been expanding ——cde的意思错了，had bugun排除b ——a
2.（174）Often major economic shifts are so gradual as to be indistinguishable at first fromordinary fluctuations in the financial markets. A.so gradual as to be indistinguishable B.so gradual so that they can be indistinguishable C.so gradual that they are unable to be distinguished D.gradual enough not to be distinguishable E.gradual enough so that one cannot distinguish them ——bso that用错了，c unable to be done错，d enough not to be 错，e的one指代 ——a 3.（175）Experts estimate that ten times as much petroleumexists in sources like tar sands, heavyoil, and perhaps even in shale than in conventional reservoirs. A．sources like tar sands, heavy oil, and perhaps even inshale than B．sources like tar sands, heavy oil, and perhaps even inshale than are C．such sources as tar sands, heavy oil, and perhaps even inshale as are D．such sources as tar sands, heavy oil, and perhaps evenshale as E．such sources as tar sands, heavy oil, and perhaps evenshale than ——like举例排除ab，c in错了，e than错了 ——d | 
[复制链接]
京公网安备11010202008513号 京ICP证101109号 京ICP备12012021号
发表于 2022-9-27 13:41:37
