中央广播电视大学英语(2)
37. Hector’s dolphin is the smallest fish in the world.
38. Sperm whales dive more deeply than any other cetacean.
39. Whales are cleverer than humans.
40. The brain of a sperm whale can be over 6 times heavier than a human one.
第五部分 书面表达（20分）
Directions: For this part, you are allowed thirty minutes to write a short passage to express your views on a given topic. You should write at least 80 words and base your writing on the Chinese outline below:
1． 远程学习的对象
2． 远程学习的好处
3． 你自己的学习情况