更多"Some birds consistently return to t"的相关试题:
[单项选择]Some birds consistently return to the same nesting area each spring.
A. occasionally
B. purposely
C. regularly
D. surprisingly
[单项选择]Some birds that are molting maintain balance during flight by______.
A. constantly preening and caring for their remaining feathers
B. dropping flight feathers on both sides at the same time
C. adjusting the angle of their flight to compensate for lost feathers
D. only losing one-third of their feathers
[单项选择]Some birds like to sit on a sheep because ______.
A. they can eat its parasites
B. they enjoy travelling with the sheep
C. they depend on the sheep for existence
D. they find the position most comfortable
[单项选择]Why do some birds vary from place to place in their song repertoires of according to DK
A. A.It comes about perhaps because of the change of their DN
[单项选择]The village is quiet ______ some birds singing in the woods.
A. except
B. except for
C. besides
D. but
[单项选择]We find that some birds ______ twice a year between hot and cold countries.
A. migrate
B. emigrate
C. transfer
D. commute
[单项选择]We find that some birds ______twice a year between hot and cold countries.
A. transfer
B. migrate
C. commute
D. mobilize
[单项选择]In some cases, different approaches to the same scientific problem lead ______ conflicting theories.
A. at
B. to
C. of
D. for