文档介绍：CHAPTER FOUR
The African Ghost Fish
Can you tell the names of the fish?
shark , goldfish, tuna, salmon,
Sardine, herring, eel
Do you know some sea creature?
dolphin, whale, seal, prawn, crab, squid, lobster, oyster, clam, octopus
What do you know about…?
( ) a. Fish cannot sleep.
Fish do sleep, but with their eyes open, as they have no eyelids.(眼皮,眼睑)
( ) b. Fish cannot breathe.
Fish do not breathe oxygen from the air in the same way as land creatures(陆地上的生物), as they don’t have lungs, but they do breathe oxygen from the water through their gills(鳃).
F
F
( ) c. Fish cannot feel pain.
Fish have nervous systems(神经系统), and so they do feel pain.
2. ( ) a. Some fish shoot insects for food.
The archer-fish(射水鱼)
shoots out a jet of water
that knocks down flies.
( ) b. Some fish kill
other fish with electric
shocks.
F
T
T
Electric ells(电鳗) and electric rays(鳐鱼) can kill other fish with electric shocks。
( ) c. Some fish fly.
Flying fish can glide
considerable distances
(around 175 metres)
through the air.
T
( ) d. Some fish talk.
Fish have many ways municating with one another, but sound is not mon means(方式), although some do use it. Many marine mammals(海洋哺乳动物), such as dolphins and whales,
use sound municate.
( ) e. Some fish are invisible.
There are no invisible fish, although some are transparent(透明的) and others are cleverly camouflaged(伪装,掩护).
F
F
( ) f. Some fish build nests for their families.
It’s extremely rare for fish to build nests, but the freshwater stickleback(刺鱼) is an example of one fish that does.
( ) 3. Dolphins and
whales are not fish.
Whales and dolphins are not
fish but mammals that breathe
air and nurse(哺乳) their young.
T
T
6
Match the words
n
made a living
n
according to
n
departed for
n
satisfied
n
complaint
n
pleasure
n
claimed
n
as he / she said
n
pleased
n
earned money
n
happiness
n
said
n
a statement that you are
unhappy with something
n
went away to
Answer som