A.origins
B.sources
C.bases
D.discoveries
______ (尽管困难重重), they continued their experiments and made great discoveries in the end.
A.Y
B.N
C.NG
Recent discoveries in Montana indicate that some dinosaurs may have resided in colonies.
A.lived
B.died
C.hunted
D.fed
The best title of this passage can be_______.
A.Great Scientific Discoveries Will Never Be Possible
B.The Harsh Challenge Has to Be Met by Modern Scientists
C.The State Sponsorship and Scientific Enterprise Are All in Vain
D.The Chance for Great Scientific Discoveries Becomes Scarce
These discoveries proved the______(exist) of a human species who lived in the area between 700 000 and 200 000 years ago.
What is the main idea of the last paragraph?
A.Modern discoveries are the same as Darwin's.
B.Fossils are also very important in modern research.
C.Modern technology proves that Darwin was not quite fight.
D.Modern research is more advanced than Darwin's in many ways.
A、Nominal group construction
B、Compound construction
C、Full-sentence construction
D、Question construction
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