Shark is to hammerhead as bear is to ()
A: arctic
B: cub
C: moose
D: polar
E: paw
A: arctic
B: cub
C: moose
D: polar
E: paw
举一反三
- The polar bear evolved from brown bear ancestors.
- The Arctic polar was crossed ______. A: by ice B: by water C: by land D: through the North-West Passage
- The national animal of Canada is the ___________. A: Bald Eagle B: Beaver C: Polar Bear D: Kangaroo
- It can be inferred from the passage that the polar bear population of Hudson Bay ________. A: is one of several polar bear populations B: is unfriendly toward humans C: consumes food voraciously (贪婪地) during the whole year D: is an endangered species
- It is important to study polar bears to assess the health of the ecosystem on the Arctic, because（） A: they are on the edge of extinction. B: they are on the top of the ecosystem. C: the food chain on the Arctic depends on them. D: there are no other big animals on the Arctic.