According to the passage, number sense in animals appears to be ______.
A.restricted to about one dozen species or less
B.present chiefly in winged creatures
C.similar to a faculty possessed ty men in all stages of development
D.as intricate as counting
相关问题推荐
-
A.Learn the important aspect of American life.
B.Bring returns back to his native land.
C.Improve his language ability.
D.Earn enough money to support his study.
-
What is NOT tree about genes in the process of genetic modification?
A.Genes interact with one another.
B.Normal genes may be damaged in the process.
C.The transferred gene may have different functions in different organisms.
D.The transferred trait controlled by one gene can be transferred endlessly.
-
Markets do not necessarily totally on the price of demanded goods.
A.Y
B.N
C.NG
-
A.Most facilities will be closed.
B.Only a few facilities will be closed.
C.Most facilities will operate on a reduced schedule.
D.All facilities will be open.
-
A.People will accumulate less money to support themselves.
B.People will be deprived of a couple of productive years.
C.People will discover the life is plain and boring after retirement.
D.People will not get all of the pensions.