137. (v20/21 -126-7) Quyidagilardan kenja tur (a) kenja tip (b)larni ajrating?
1) bosh skeletsizlar; 2) manjur; 3) baliqlar;
4) sudralib yuruvchilar; 5) yettisoy; 6) murgob;
7) qushlar; 8) bosh skeletlilar; 9) lichinka-xordalilar.
A) a-2, 5, 6; b-1, 8 Б) a-2, 5. fi: b-3, 4, 9
C) a-3, 4, 7; b-1,8
D) a-2, 5, 6; b-3, 4, 7