Unit 4 Back in time（易错题专项练习·基础知识）英语外研版三起五年级下册（新教材）

Unit 4 Back in time

专题01 基础知识·易错题专项训练

1. What were those things from the past?（P38）

from the past 来自过去

① 核心用法：“from” 为介词，意为“来自”，“the past” 表示“过去；往昔”，固定搭配“things from the past”表示“来自过去的物品”，是本单元核心主题短语。

② 拓展搭配：“from long ago” 表示“很久以前”，与“from the past” 语义相近，对应课文原句“people from long ago”（P49），意为“很久以前的人”。

③ 语法关联：该短语常与一般过去时搭配，用于描述过去的事物、人物与事件。

(     )1. We can learn a lot about the life ______ from the old books.

A.  in the past

B.from the past

C. on the past

D. at the past

(     )2. These are the clothes ______, and my grandma wore them when she was young.

A. in the future

B. from now

C. from the past

D. at the moment

(     )3. —What do you know about the things ______?

—They are tools people used many years ago.

A. from the past

B. in the park

C. at school

D. on the table

(     )4. The story is about a girl ______, and she lived in a small village 100 years ago.

A.at home

B. from today

C. in the city

D. from the past

(     )5. We can see many old things ______ in the history museum.

A. from the past

B. for the future

C. with us

D. to now

(     )6. The ______ people used to light up the room is called a lamp.

A. from the past

B. thing from the past

C. things from the past

D. past from thing

The ancient dumpling was in the shape of a new moon.（P40）

in the shape of 呈……的形状

① 核心用法：“shape”为名词，意为“形状；外形”，固定搭配“in the shape of”后接名词，用于描述事物的外形特征。

② 拓展搭配：“in the shape of a new moon” 呈新月形；“in the shape of a heart” 呈心形；“in different shapes” 呈不同的形状。

③ 语法关联：该短语常与be动词搭配，一般过去时中用“was/were in the shape of”，一般现在时中用“am/is/are in the shape of”。

(     )1. The ancient dumpling was ______ a new moon in the Tang Dynasty.

A. in the size of

B. in the name of

C. in the shape of

D. in the colour of

(     )2. My mother bought me a birthday cake ______ a star.

A. on the shape of

B. in the shape of

C. at the shape of

D. with the shape of

(     )3. —What does the pot look like?

—It is ______ a round ball.

A. in the middle of

B. in the front of

C. in the shape of

D. in the back of

(     )4. The buildings in the park are ______ ancient palaces.

A. look like

B. in the shape of

C. same as

D. look as

(     )5. We made some paper lanterns ______ animals for the festival.

A. in the time of

B. in the place of

C. in the year of

D. in the shape of

(     )6. The moon is ______ a full moon tonight. It's so beautiful.

A. in the shape of

B. in the colour of

C. in the size of

D. in the light of

No one knows for sure .（P40）

for sure 确切地；毫无疑问

① 核心用法：“for sure” 为固定副词短语，意为“确切地；肯定地；毫无疑问”，可用于句末修饰整个句子，也可用于句中，是本单元描述历史未知信息的核心短语。

② 拓展搭配：“know for sure” 确切知道；“say for sure” 确切地说；“be sure for” 对……有把握；“for sure enough” 果然。

③ 语法关联：该短语常与一般现在时搭配描述客观事实，也可与一般过去时搭配描述过去的确定性判断，高频用于疑问句和否定句中。

(     )1. No one knows ______ how many ancient things are under the ground.

A. in surprise

B. on time

C. for sure

D. at first

(     )2. We can't say ______ when the old building was built.

A. as well

B. for sure

C. in all

D. at all

(     )3. —Do you know ______ where he put the ancient pot?

—Sorry, I have no idea.

A. from now

B. in the past

C. for sure

D. on holiday

(     )4. I know ______ he will come to the history museum with us this weekend.

A. for example

B. in fact

C. at most

D. for sure

(     )5. ______, the Tang Dynasty was one of the greatest dynasties in Chinese history.

A. For sure

B. As long as

C. Even if

D. Such as

(     )6. They couldn't tell ______ how the ancient people built the Great Wall.

A. in time

B. on business

C. with care

D. for sure

They often ate dumplings during festivals.（P41）

during 在……期间

① 词性：介词，后接名词/名词短语，用于描述动作发生的时间段。

② 核心搭配：“during festivals” 在节日期间；“during the Tang Dynasty” 在唐朝期间；“during the holiday” 在假期期间；“during the fire” 在火灾期间。

③ 易混辨析：during 与 in

•during 强调在某个时间段内持续发生的动作，更侧重“全程”；

•in 仅表示动作发生在某个时间段内，不强调持续性。

(     )1. People in the Tang Dynasty often ate dumplings ______ festivals.

A. on

B. in

C. during

D. at

(     )2. We visited many museums ______ the summer holiday last year.

A. between

B. during

C. under

D. of

(     )3. —What did you do ______ your stay in Beijing?

—I visited the Great Wall and the Forbidden City.

A. when

B. while

C. during

D. if

(     )4. The family stayed at home ______ the great fire in London.

A. for

B. with

C. to

D. during

(     )5. He wrote many poems ______ his life.

A. on

B. at

C. in

D. during

(     )6. We will have a sports meeting ______ this month.

A. of

B. for

C. during

D. with

点。

② 固定搭配：“buy sb. sth. = buy sth. for sb.” 给某人买某物，双宾语结构。例：I bought my mother a scarf. = I bought a scarf for my mother. 我给妈妈买了一条围巾。

③ 主谓一致：主语为复数或第一、二人称时，一般现在时用 “buy”；主语为第三人称单数时，一般现在时用 “buys”。

(     )1. Tom ______ his very first watch on Wednesday morning.

A. buy

B. buys

C. bought

D. buying

(     )2. My mother often ______ fresh vegetables in the market on weekends.

A. buy

B. buys

C. bought

D. buying

(     )3. —What did you ______ for your father as his birthday gift?

—I ______ a new wallet for him.

A. bought; buy

B. buy; bought

C. buy; buy

D. bought; bought

(     )4. She ______ not ______ the expensive watch last month because she didn't have enough money.

A. do; buy

B. does; buy

C. did; buy

D. will; buy

(     )5. My father ______ a new bike ______ me yesterday.

A. buy; for

B. buys; to

C. bought; for

D. is buying; to

(     )6. —Can you ______ some milk for me on your way home?

—Sure.

A. buy

B. bought

C. buys

D. buying

(     )7. He ______ a pair of glasses in the shop last week, and now he can see clearly.

A. buy

B. buys

C. bought

D. is buying

 I dug a hole in my garden.（P43）

dig a hole 挖洞

① 时态变化：“dig” 是重读闭音节动词，过去式是不规则变化 “dug”，是本单元核心不规则动词，高频考点。

② 固定搭配：“dig a hole in + 地点” 表示“在某地挖洞”，例：dig a hole in the ground 在地上挖洞。

③ 主谓一致：主语为复数或第一、二人称时，一般现在时用 “dig”；主语为第三人称单数时，一般现在时用 “digs”。

(     )1. Samuel  ______ a hole in his garden to hide his cheese.

A. dig

B. digs

C. dug

D. digging

(     )2. The workers often ______ holes to plant trees on the hill every spring.

A. dig

B. dug

C. digs

D. digging

(     )3. —______ you ______ a hole in the garden yesterday?

—Yes, I planted a tree in it.

(     )4. The little boy ______ a hole in the sand and put his toy in it just now.

A. dig

B. digs

C. dug

D. is digging

(     )5. They ______ not ______ holes in the field last week because it rained heavily.

A. do; dig

B. does; dig

C. did; dig

D. will; dig

(     )6. ______ a hole before you plant the young tree. It's good for its growth.

A. Dig

B. Dug

C. Digs

D. Digging

名词” 作主语时，视为复数，be动词用are/were。

(     )1. Sam put ______ cheese into the hole in his garden.

A. a cup of

B. a bottle of

C. a block of

D. a glass of

(     )2. My father cut ______ wood to make fire for us.

A. a pair of

B. a piece of

C. a block of

D. a box of

(     )3. —What's in the box?

—There is ______ ice in it.

A. a kilo of

B. a block of

C. a bag of

D. a basket of

(     )4. The workers moved ______ stone to build the house.

A. a drop of

B. a bowl of

C. a cup of

D. a block of

(     )5. We need ______ chocolate to make the cake.

A. a bottle of

B. a glass of

C. a can of

D. a block of

(     )6. ______ cheese is very expensive in the old days.

A. A pair of

B. A group of

C. A block of

D. A team of

① 核心用法：“stay” 为系动词，意为“保持；维持”，后接形容词“safe”，“from” 后接名词，表示“免受某事物的伤害”。

② 拓展搭配：“stay safe from danger” 免受危险的伤害；“stay safe from illness” 免受疾病的侵害；“stay safe from rain” 免受雨淋。

③ 同义替换：“keep safe from” 与 “stay safe from” 语义一致，可互换使用。

(     )1. Pepys buried the cheese to let it ______ the fire.

A. come from

B. learn from

C. stay safe from

D. hear from

(     )2. We should wear masks to ______ the virus.

A. stay away

B. stay safe from

C. come out of

D. get out of

(     )3. —What should we do to ______ the flood?

—We should move to a higher place.

A. look for

B. look at

C. wait for

D. stay safe from

(     )4. Animals usually hide in the forest to ______ the cold wind in winter.

A. play with

B. talk with

C. work with

D. stay safe from

(     )5. Parents always hope their children can ______ any danger.

A. look forward to

B. take part in

C. stay safe from

D. think of

(     )6. We close the windows to ______ the strong wind.

A. take care of

B. think about

C. worry about

D. stay safe from

they dress as people from long ago.（P49）；

there are also traditional clothes for us to try on.（P49）

dress as 装扮成；try on 试穿

① 核心用法1：“dress as + 身份/人物” 表示“装扮成某人/某类人”，例：dress as a doctor 装扮成医生；dress as ancient people 装扮成古人。

② 核心用法2：“try on” 是动副短语，宾语为代词时需放在 “try” 和 “on” 之间；宾语为名词时，可放在中间或后面，例：try it on（试穿它）；try on the dress（试穿这条裙子）/ try the dress on。

③ 时态变化：“dress” 的过去式为 “dressed”；“try” 的过去式为 “tried”（辅音+y结尾，变y为i加ed）。

(     )1. In the living museum, actors ______ people from long ago and act out their lives.

A. look at

B. talk with

C. listen to

D. dress as

(     )2. The little boy wants to ______ a superhero at the costume party.

A. work as

B. study as

C. dress as

D. walk as

(     )3. —Can I ______ the new shoes?

—Sure. The changing room is over there.

A. put on

B. get on

C. go on

D. try on

(     )4. She ______ the beautiful dress and found it was just right for her.

A. tries on

B. tried on

C. try on

D. trying on

(     )5. They ______ as ancient soldiers in the play last week.

(     )6. The coat is very nice. You can ______ to see if it fits you.

A. try on it

B. try them on

C. try it on

D. try on them

(     )7. Don't ______ the clothes of other people casually. It's not polite.

A. put on

B. take off

C. get off

D. try on

字母组合 “oi/oy” 的发音（P44）

Join me there, fill your heart!（P44）

Protect it. Don't destroy it, So more people can enjoy it.（P44）

字母组合 “oi” 和 “oy” 通常发 /ɔɪ/ 音。

•“oi” 多位于单词中间，如：boil /bɔɪl/（煮）、oil /ɔɪl/（油）、noise /nɔɪz/（噪音）、voice /vɔɪs/（声音）。

•“oy” 多位于单词末尾，如：boy /bɔɪ/（男孩）、toy /tɔɪ/（玩具）、joy /dʒɔɪ/（快乐）、soy /sɔɪ/（大豆）。

选出下列单词中划线部分发音不同的一项。

(     )2. A. joy

B. bed

C. boil

D. noise

(     )3. A. voice

B. city

C. soy

D. boy

(     )4. A. women

B. oil

C. joy

D. boil

(     )5. A. noise

B. bye

C. soy

D. oil

一、用括号内单词的正确形式填空

1.The tradition ______（date back）to the Ming Dynasty and is still kept today.

2.My grandparents ______（bring）me back to the past with their old stories last night.

3.The birthday cake ______（be）in the shape of a castle. It's very beautiful.

4.Thousands of students ______（take part in）the charity run last month.

5.We ______（take care of）the homeless animals when we volunteered at the shelter.

6.The old tree ______（stay）safe from the storm because it was very strong.

7.Workers ______（pull down）the dangerous building to build a school next year.

8.She ______（put）her favorite book into her schoolbag and went to school.

9.He ______（try）on several shirts before he bought a blue one yesterday.

10.We should ______（learn from）the past and avoid making the same mistakes.

二、单项选择题

(     )1. This old custom ______ to the Tang Dynasty and has a long history.

A. date back

B. dates back

C. dated back

D. dating back

(     )2. The old songs ______ my parents back to their childhood.

A. bring

B. brought

C. brings

D. will bring

A. is

B. was

C. are

D. were

(     )4. My brother ______ in the school sports meeting last week and won a prize.

A. take part

B. took part

C. takes part

D. will take part

(     )5. She ______ her little sister carefully when their parents were out.

A. take care of

B. took care of

C. takes care of

D. is taking care of

(     )6. We should ______ safe from the virus by washing hands often.

A. stay

B. stayed

C. stays

D. staying

(     )7. They ______ down the old bridge last year and built a new one.

A. pull

B. pulled

C. pulls

D. will pull

(     )8. —What did you ______ into the bag?

—I ______ some snacks and a bottle of water.

A. put; put

B. put; puts

C. puts; put

D. puts; puts

(     )9. My mother often ______ on new clothes before she buys them.

A. try

B. tried

C. tries

D. will try

(     )10. We should ______ the cultural relics from being destroyed.

A. protect

B. protected

C. protects

D. protecting

(     )11. Which of the following words has the same sound as "boy"?

A. bed

B. toy

C. city

D. bye