选择题:Is it a bird, Tom()
A.Yes, it isn't
B.Yes, they are
C.No, it isn't
C、No, it isn't
A.Yes, it isn't
B.Yes, they are
C.No, it isn't
C、No, it isn't
A.That's a bird
B.That's my friend
C.This isn't a bird
D.Yes, it's a friend
The best title for the passage is__________ .
A.Different Accounts of Migration
B.Migration and Weather
C.New Discovery of Bird Migration
D.Routes of Bird Migration
Generally speaking, the bird flying (across) our path is observed, and (the one) staying on the tree near (at hand) is passed by (without noticed).
A.across
B.the one
C.at hand
D.without noticed
A.language universals
B.Onomatopoeia
C.teaching grammar
D.morphs
The best solution to the problem of the spread of bird flu is ______.
A. to kill all the birds in an area where bird flu has been discovered
B. to kill all the chickens
C. to kill all the birds
D. to kill all the chickens when bird flu has been discovered