3. Each person's genetic code is _________ except in the case of identical twins.
A: unusual
B: rare
C: different
D: unique
A: unusual
B: rare
C: different
D: unique
举一反三
- Each person’s genetic code is unique except （）identical twins. A: in case of B: in the case of C: the point in case D: a case of
- Each person’s signature is _____. A: different B: unique C: special D: Alike
- Each person’s fingerprints are ____ , so you won’t find two people with the same fingerprints. A: particular B: identical C: unique D: distinctive
- Mary and Jane are from each other although they are identical twins.
- Each person has his unique fingerprints. A: interesting B: different C: special D: only