文档内容
Unit 4 Amazing Plants and Animals
课时 5 Section B (2a-2d) 分层作业
核心知识速记 03 拓展培优
01 基础达标 0 4 思维进阶
02 能力提升
词汇
1.happiness /'hæpinəs/n. 幸福；快乐
2.disappoint /ˌdɪsə'pɔɪnt/v. 使失望；使破灭
3.mushroom /'mʌʃrʊm/n. 蘑菇；伞
4.ton /tʌn/n. 吨
5.role /rəʊl/n. 作用；职能；角色
6.pea /piː/n. 豌豆
7.climate /'klaɪmət/n. 气候
短语/句型
1.add...to... 给…… 添加…… 2.in the garden 在花园
里
3.in my hometown 在我的家乡 4.use..to... 使用......做某事
5.in your luggage 在你的行李里 6.mean a lot to 对…… 意义重大
7.play an important role in 在…… 中起重要作用 8.as big as a human hand 和人的手一样大
9.by eating insects 通过吃昆虫 10.live on land 生活在陆地上
11.in studies on 在关于…… 的研究中
一、单词默写。
1._________________/'hæpinəs/n. 幸福；快乐 2._________________/ˌdɪsə'pɔɪnt/v. 使失
望；使破灭
3._________________ /'mʌʃrʊm/n. 蘑菇；伞 4._________________ /tʌn/n. 吨
5._________________ /rəʊl/n. 作用；职能；角色 6._________________ /piː/n. 豌豆
7._________________/'klaɪmət/n. 气候二、词性转换
1.appear v. 出现____________（n. 出现；外貌 ）____________（反义词 ）
2.disappoint v. 使失望 ____________（n. 失望 ）____________（adj. 失望的；令人失望的 ）
3.imagine v. 想象 ____________（n. 想象；想象力 ）
4.store v. 储存；n. 商店____________（过去式 ）
5.weigh v. 称重 ____________（n. 重量 ）____________（ 过去式 ）
6.land v. 着陆；n. 陆地 ____________（过去式 ）
7.protect v. 保护 ____________（n. 保护 ）
8.connect v. 连接____________（n. 连接；联系 ）____________（ 过去式 ）
9.communicate v. 交流 ____________（n. 交流；通讯 ）____________（ 过去式 ）
10.act v. 行动；表演 ____________（n. 行为；行动 ；法令 ）____________（ 过去式 ）
11.kind adj. 善良的；n. 种类 ____________（n. 仁慈；善良 ）____________（ 副词，亲切地 ）
12.real adj. 真实的 ____________（n. 现实；真实 ）____________（ 副词，真实地 ）
13.popular adj. 受欢迎的____________（n. 流行；受欢迎 ）____________（ 副词，流行地；普遍地 ）
14.important adj. 重要的____________（n. 重要性 ）____________（ 副词，重要地 ）
三、词组默写。
1._____________________ 给…… 添加…… 2._____________________在花园里
3._____________________ 在我的家乡 4._____________________ 使用......做某事
5._____________________ 在你的行李里 6._____________________ 对…… 意义重大
7._____________________ 在…… 中起重要作用 8._____________________和人的手一样大
9._____________________通过吃昆虫 10._____________________ 生活在陆地上
11._____________________ 在关于…… 的研究中
四、短文填空
Frogs are amazing creatures that play _____________important role in our ecosystem. Many people know they
help farmers by eating insects. But do you know more about their 1. _______________ (connect) with nature?
First, let’s talk about their growth. After rain, mushrooms and some frogs 2. ______ (appear) in gardens. In some
places, people use bamboo baskets to 3. _______________ (store) food, just like how frogs find safe spots to live.
When we lose our 4. _______________ (favourite) plants or animals, we may feel 5. _______________
(disappoint). Frogs also face changes—their homes are sometimes destroyed. It’s hard to 6. _______________
(imagine) a world without these little helpers.
Scientists study frogs to understand the 7. _______________ (important) of protecting our planet. Even a small
action, like not polluting water, can 8. _______________ (act) as a way to save them. Let’s all do our part_____________(keep)frogs and nature in balance!
五、完型填空
The Little Helpers in Gardens
In my hometown, there’s a small garden full of life. Many creatures live here and 1.________ an important role
in keeping it beautiful.
Every summer, mushrooms 2.________ in the garden after rain. They look like little umbrellas and mean a lot to
the soil—they help make it rich. Kids love to find them, but some are poisonous, so adults always 3.________ them
not to touch.
Frogs also live here. They are not 4.________ a human hand, but they are great helpers. They keep pests
away 5.________ eating insects. This makes the garden safe for flowers to grow.
Once, I put a small frog in my bag by accident. When I checked my 6.________ later, it jumped out! My mom
wasn’t angry—she said frogs 7.________ to our garden’s health.
Scientists do 8.________ on these creatures. They say climate change may 9.________ them. It’s sad to think we
might lose such helpful friends. Let’s all try to protect them, so future kids can also feel the 10 .________of seeing
them in the garden.
1.A. play B. take C. make D. find
2.A. disappear B. appear C. sleep D. work
3.A. add B. use C. tell D. disappoint
4.A. as big as B. as small as C. as heavy as D. as long as
5.A. with B. by C. in D. on
6.A. luggage B. garden C. hometown D. study
7.A. mean a lot B. add a lot C. use a lot D. play a lot
8.A. roles B. studies C. climates D. peas
9.A. help B. protect C. disappoint D. harm
10.A. sadness B. happiness C. anger D. kindness
六、阅读还原
The Life of Wild Rabbits
Wild rabbits are common in many places, but their lives are more interesting than you might think. They live in
groups and build underground homes called warrens. 1. _______ These homes keep them safe from predators like
foxes.
In spring, mother rabbits give birth to baby rabbits. 2. _______ The mother leaves them in the warren while she
looks for food, but she returns often to feed them. This is a busy time for her—she has to find enough grass and
vegetables to eat.
Rabbits have strong legs that help them jump far. 3. _______ When they sense danger, they hop away quickly.
They also thump their hind legs on the ground to warn other rabbits, like saying “Be careful!”
In my hometown, rabbits mean a lot to farmers. 4. _______ However, they sometimes eat crops, so farmers have tofind ways to protect their plants without harming the rabbits.
Scientists do studies on rabbits to learn how they adapt to different climates. 5. _______ It’s amazing to see how
these small animals survive and play a role in nature.
A. Baby rabbits are very small, about the size of a pea.
B. They help by eating weeds, which keeps the fields clean.
C. This way, they can live through cold winters and hot summers.
D. These underground homes have many rooms connected by tunnels.
E. They can jump as far as two meters, which helps them escape danger.
七、阅读理解
A
Animals and Their Amazing Lives
Animal Living Place Appearance Food Special Behavior Role in Ecosystem
Red Squirrel Forests, Small (about Nuts, seeds, - Store food in Help spread seeds
especially 20 cm long), mushrooms, tree holes or when they forget
pine trees with red fur young tree bark. under leaves for stored food,
and a bushy winter. - Jump making forests
tail. from tree to tree grow thicker.
(up to 4 meters).
Desert Hare Deserts, dry Long ears (to Grasses, leaves, - Can go without Keep plant growth
grasslands cool down), cacti fruits. water for weeks balanced by eating
light brown by getting old grass, letting
fur; about 50 moisture from new grass grow.
cm long. food. - Run as
fast as 60 km/h
to escape
predators.
Woodpecker Forests, tree Black and Insects under - Tap tree trunks Control insect
trunks white feathers, tree bark, tree up to 20 times numbers by eating
strong beak; sap. per second to pests that harm
about 25 cm find food. - trees.
long. Make holes in
trees for nests,
which other birds
use later.
1.What do red squirrels eat?A. Cacti fruits. B. Insects under
bark.
C. Mushrooms. D. Old grass.
2.How does the desert hare survive without much water?
A. It stores water in tree holes. B. It gets moisture from its food.
C. It drinks water from cacti. D. It runs fast to find rivers.
3.Why do woodpeckers tap tree trunks?
A. To make nests for other birds. B. To spread seeds.
C. To find insects to eat. D. To cool down their ears.
B
请阅读下面这篇文章，根据所提供的信息，回答5个问题。要求所写答案语法正确、语义完整。
Beavers: Nature’s Engineers
Beavers are amazing animals that live near rivers and lakes. They have strong teeth to cut down trees and flat
tails to swim. But their most special skill is building dams—walls made of wood, stones, and mud. These dams
create ponds, which become homes for many other animals like fish, birds, and frogs.
Beavers work hard to keep their dams strong. They add more wood or mud when needed, like engineers fixing a
bridge. The ponds they build also help plants grow. When rain comes, the dams slow down the water, preventing
floods. In dry seasons, the stored water keeps the land green.
Sadly, beavers are losing their homes because people cut down forests and build cities. This makes it hard for
them to find trees to build dams. Without beavers, many ponds dry up, and other animals lose their homes too.
It’s important for us to protect beavers. We can leave some trees near rivers for them to use. By doing this, we
help keep the ecosystem balanced—just like the beavers do.
根据短文内容，回答下列问题。
1.What do beavers use to build dams?
_________________________________________________________________________________________
2.How do the ponds created by beavers help during dry seasons?
_________________________________________________________________________________________
3.Why is it hard for beavers to build dams now?
_________________________________________________________________________________________
4.What can we do to protect beavers?
_________________________________________________________________________________________
5.Besides beavers, what other animal do you think plays an important role in nature? Why?
_________________________________________________________________________________________
