单项选择题

Dinosaur scientists can probably know whether dinosaurs were good parents by （）.

A．watching many kinds of animals
B．studying dinosaurs’ living relatives
C．following the tracks left behind
D．working on dug-out dinosaur eggs

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热门试题

单项选择题

This passage mainly talks about （）.

A．the tools made by "Flores Human"
B．the language used by "Flores Human"
C．the evolution of "Flores Human"
D．the major surprising findings about "Flores Human"

单项选择题

Shopping underground is clean （）.

A．without air pollution
B．of water
C．and tidy
D．and beautiful