《2025年新课程学习辅导八年级英语上册人教版》

知识点 on earth 教材 p96 It's also the heaviest animal on earth.
【用法归纳】
on earth 意为“在地球上；在世(界)上”时，相当于 on the earth/in the world。另外，on earth 可用于 how，who，what，where，why 等疑问词之后，用来加强语气，意为“究竟；到底”。例如：
There are many different kinds of animals on earth.
地球上有许多不同种类的动物。
What on earth are you doing?
你究竟在做什么？
【情境运用】
根据汉语意思完成句子。(每空词数不限)
(1)蓝鲸是地球上最重的动物。
The blue whale is the heaviest animal on earth.
(2)我们究竟能为国家做些什么？
What on earth can we do for our country?

答案：
(1) on earth
(2) on earth

一、选择合适的句子补全对话，将其字母编号填写在横线上。
A. Do you want to join us?
B. Do you know that?
C. Is it the redwood tree?
D. Do you know what the largest plant is?
E. Let's move on to the next question.
Judy：Hi，we are doing a test on animals and plants. 1. A
Mike：Sounds fun! I like this kind of test.
Judy：Great! First，what's the largest animal in the world?
Mike：It's the blue whale.
Judy：Right. 2. D
Mike：Hmm，I'm not sure. 3. B
Judy：Neither do I. But I know the tallest tree.
Mike：4. C
Judy：Yes，it is. 5. E Which animal runs the fastest?
Mike：Oh，I know. It's the cheetah.
Judy：Exactly! You're so smart!

答案： 1.A 2.D 3.B 4.C 5.E

二、完形填空。
The name of the redwood tree comes from its colour. Redwood trees are very tall. They're even taller than some _1_，such as a 2 - storey(层)house. They're the tallest trees of all. How do they grow so tall? Well，they grow as long as they live. And they _2_ a very long time. Some redwood trees can _3_ live more than 2，000 years!
Coast redwood trees usually grow by the sea. The _4_ there is just right for them. It's not too cold or too _5_ and there's a lot of rain.
If you see a redwood tree，you'll _6_ that its bark(树皮)is really thick. It's 15 to 30 centimetres thick. Bugs(虫子)_7_ redwood bark，because it has a bad taste. The thick bark helps _8_ the trees from fires，too. Redwood trees are very big，but their seeds are pretty _9_. A redwood seed is as small as a tomato seed. New redwood trees don't come from _10_ sometimes. New redwood trees can grow from the stump(树桩)of the old redwood trees.
1. A. people
B. bookshelves
C. animals
D. buildings (D)
2. A. live
B. stay
C. stand
D. keep (A)
3. A. just
B. even
C. still
D. ever (B)
4. A. air
B. food
C. weather
D. water (C)
5. A. cool
B. hot
C. rainy
D. dry (B)
6. A. call back
B. worry about
C. find out
D. make sure (C)
7. A. dislike
B. choose
C. enjoy
D. watch (A)
8. A. learn
B. protect
C. get
D. cut (B)
9. A. big
B. old
C. heavy
D. small (D)
10. A. grass
B. plants
C. seeds
D. leaves (C)

答案： 1.D 2.A 3.B 4.C 5.B 6.C 7.A 8.B 9.D 10.C