11.
Some paleontologists debate whether the diversity
of species has ____since the Cambrian period, or whether imperfections in the
fossil record only suggest greater diversity today, while in actuality there
has been either _____ or decreased diversity.
A.
Changed …… escalation B. increased …… stasis C. expanded …..
Discontinuity d. declined …. Reduction
12.
It was not only the _____ of geologists that
_____ earlier development of the revolutionary idea that the Earth’s continents
were moving plates; classical physicists, who could not then explain the
mechanism, had declared continental, movement impossible.
A.
Indecisiveness ….. Challenged B. radicalism….. deterred C. conservatism…… hindered D. assumptions…… hastened
13.
It is puzzling to observe that Jones’s novel has
recently been criticized for its ___ structure, since commentators have
traditionally argued that its most obvious _____ is its relentlessly rigid,
indeed schematic, framework.
A.
Attention to ….. preoccupation B. lack of …. Flaw C.
parody of ….. disparity D.
violation of ….. contradiction
14.
Until the current warming trend exceeds the
range of normal climatic fluctuations there will be, among scientists,
considerable ____ the possibility that increasing levels of atmospheric carbon
dioxide can cause long-term warming effects.
A.
Interest in
B. uncertainty about c.
enthusiasm for D. worry about
15.
Politeness is not a ____ attribute of human
behavior, but rather a central virtue, one whose very existence is increasingly
being _____ by the faddish requirement to “speak one’s nun
A.
Superficial …. Threatened B. pervasive …. Undercut C. worthless …. Forestalled d. precious …. Repudiated
Sentence
Completion HE-03