登录
66. What makes birds different from other animals?
67. How do birds fly according to the passage?
68. Why do some birds migrate each season?
69. What is special about the hummingbird?
70. What kind of bird would you like to keep as a pet and why?(请自拟一句话作答)
Feathers.
67. How do birds fly according to the passage?
By flapping their wings and using air pressure to create lift under their wings.
68. Why do some birds migrate each season?
To stay in a climate that is good for their survival.
69. What is special about the hummingbird?
It can fly backwards, but it can't walk.
70. What kind of bird would you like to keep as a pet and why?(请自拟一句话作答)
I would like to keep a parrot as a pet because it can imitate human speech.
答案
66. Feathers.
67. By flapping their wings and using air pressure to create lift under their wings.
68. To stay in a climate that is good for their survival.
69. It can fly backwards, but it can't walk.
70. I would like to keep a parrot as a pet because it can imitate human speech. (答案不唯一)
67. By flapping their wings and using air pressure to create lift under their wings.
68. To stay in a climate that is good for their survival.
69. It can fly backwards, but it can't walk.
70. I would like to keep a parrot as a pet because it can imitate human speech. (答案不唯一)
