In the phenomenon of atomic fission, the nucleus is split into two pieces of approximately
A.doubly
B.always
C.solidly
D.about
A.doubly
B.always
C.solidly
D.about
Polarized light is a probably phenomenon characterized by its ______.
A.rotational symmetry.
B.charged particles.
C.radiation flashes.
D.frequent twists.
Inbreeding is a common phenomenon in the nature.
A.Y
B.N
C.NG
The author's attitude towards the "hacker" phenomenon can be described as ______.
A.subjective
B.prejudiced
C.anxious
D.disgusted
The author's attitude towards the "hacker" phenomenon can be described as ______.
A.optimistic
B.indifferent
C.anxious
D.disgusted
In the first paragraph, the author introduces his topic by______.
A.explaining a phenomenon
B.justifying an assumption
C.posing a contrast
D.making a comparison
A.Y
B.N
C.NG
The phenomenon that words of different meanings are identical in sound is called
A.hyponymy.
B.synonymy.
C.polysemy.
D.homonymy.