读短文，选答案。
Look at the sperm whale. It is about 15 meters long. Its tail is 8 meters long. It's 35 tons. It has 50 teeth,
each up to 20 cm long. It often eats squid, lobsters and small sharks. It can dive into the deep cold water. It's
much longer and heavier than the killer whale. The killer whale is usually 8 meters long. Its tail is 6 meters long.
It's 3600 kg. It has 40 teeth, each up to 20 cm long. It eats fish, birds, seals and even whales. It's a good
swimmer. It can jump out of water.
1. The sperm whale is ____________ than the killer whale in its length.[ ]
A. longer
B. shorter
2. The sperm whale has ____________ more teeth than the killer whale.[ ]
A. 8
B. 10
3. The killer whale is ____________ than the sperm whale in its size.[ ]
A. bigger
B. smaller
4. The ____________ can dive into the deep cold water.[ ]
A. killer whale
B. sperm whale
5. The ____________ can jump out of water.[ ]
A. killer whale
B. sperm whale
