听第二篇短文,回答第16 — 20小题。
(
A
)16. Which of the following has the same number of bones in the neck as a giraffe?
A. A man. B. A bird. C. A penguin.
(
A
)17. How many babies does a mother giraffe have at a time?
A. One. B. Two. C. Three.
(
B
)18. How tall is a new-born giraffe?
A. About 5.5 metres tall. B. About 1.5 metres tall. C. About 1.9 metres tall.
(
B
)19. What may NOT be the reason for giraffes' being in danger?
A. People's hunting. B. Having trouble having babies.
C. Smaller and smaller living spaces.
(
B
)20. Now people kill giraffes mainly for their
.
A. tails and skin B. skin and meat C. meat and necks