34-38.
Why Don’t People Have Tails?

        Why do animals have tails? There are many reasons. Birds fly with their tails. They use their tails for balance.Beavers use their large, flat tails to put mud in their dams and lodges. Monkeys use their tails as an extra hand. They can grab things with their tails. Some monkeys can even pick up a peanut with their tails. And monkeys can swing from tree to tree using their tails. Horses and cows use their tails as a fly-swatter. They spend much time standing and they can use their tails to keep insects away. Fish and whales use their tails to swim.
Why don’t people have tails? Well, maybe it's because they don’t need them.
** Tails 尾巴 Reason 理由 balance 平衡 Beavers 海鱺 dams 水壩 lodges 小屋 insects 昆蟲 keep…away 使….遠離 extra 額外的 grab 抓住 peanut 花
生 swing 由.....蕩向 fly-swatter 蒼蠅拍

【題組】34. Which animal uses its tail as an extra hand?
(A) Beavers.
(B) Monkeys.
(C) Horses.
(D) Cows.