1. T-4-Q5-Q7恐龍進化成鳥
Although many lines of evidence indicate
that birds evolved from ground-dwelling
theropod dinosaurs, some scientists remain
unconvinced. They argue that theropods
(5) appeared too late to have given rise to birds,
noting that Archaeopteryx lithographica – the
oldest known bird – appears in the fossil
record about 150 million years ago, where
-as the fossil remains of various nonavian
(10) maniraptor theropods – the closest known
relatives of birds – date only to about 115
million years ago. But investigators have
now uncovered bones that evidently belong
to nonavian maniraptors dating to the time of
(15) Archaeopteryx. In any case, failure to find
fossils of a predicted kind does not rule out
their existence in an undiscovered deposit.
Skeptics also argue that the fused clavicles
(the “wishbone”) of birds differ from the
(20) unfused clavicles of theropods. This
objection was reasonable when only early
theropod clavicles had been discovered,
but fossilized theropod clavicles that look
just like the wishbone of Archaeopteryx
(25) have now been unearthed. Finally, some
scientists argue that the complex lungs of
birds could not have evolved from theropod
lungs, an assertion that cannot be supported
or falsified at the moment, because no fossil
(30) lungs are preserved in the paleontological
record.
T-4-Q5 main idea
The primary purpose of the passage is to
A. compare the development of two hypotheses concerning the evolutionary origin of birds
B. suggest revisions to the standard theory of the evolutionary history of birds
C. evaluate the usefulness of fossil evidence in determining the evolutionary history of birds
D. challenge the theory that birds evolved from ground-dwelling theropod dinosaurs
易錯選項 要小心
E. respond to criticisms of the theory that birds evolved from ground-dwelling theropod dinosaurs
這是一篇結構完美的文章。argue，反駁，argue，反駁，argue，再反駁。
Answer:
T-4-Q6 inference-implied
In the context of the passage, the phrase “fossils of a predicted kind”(line 16) most likely refers to which of the following?
A. Theropod fossils with fused clavicles
B. Theropod fossils that are similar in structure to Archaeopteryx fossils
C. Theropod fossils dating back more than 150 million years
D. Fossils indicating the structure of theropod lungs
E. Fossils indicating the structure of Archaeopteryx lungs
Answer:
T-4-Q7 inference--implied
Which of the following is mentioned in the passage as an argument made by scientists who are unconvinced that birds evolved from theropod dinosaurs?
A. There are no known theropod dinosaur fossils dating from a period after the time of Archaeopteryx.
B. There are no known theropod dinosaur fossils that indicate the structure of those dinosaurs’ lungs.
C. Theropod dinosaurs appear in the fossil record about 150 million years ago.
D. Theropod dinosaurs did not have fused clavicles.
E. Theropod dinosaurs had certain bones that look just like those of Archaeopteryx.
我想問的是Q6
C選項是怎麼選出來的
In any case, failure to find
fossils of a predicted kind does not rule out
their existence in an undiscovered deposit
這句要怎麼翻?
