高考英语一轮复习人教全国通用版课件：选修七 Unit 3 Under the sea

Unit 3 Under the sea

Ⅰ.阅读理解(2018安徽合肥第二次质量检测)

It’s not every day that the United States history mixes with microbes (微生物) in the soil.But when the grassland on the National Mall in Washington,D.C.was

replaced,it offered scientists the opportunity to study changes in the soil beneath.

The work focused on the bacteria present in the soil.To the

researchers’ surprise,the communities of microbes did not change a lot before and

after the replacement.These communities in the soil are known as the soil microbiome

(微生物群).

“My lab is interested in how microbes can move around in the environment,and

how they change and adapt as a result of this movement,” explains Jo Anne Crouch,the

lead author of the study.“We thought that the new ‘imported’ turf (草皮) from

New Jersey would introduce different communities of bacteria to the National

课时训练33 Unit 3 Under the sea

一、单元扣点训练

Ⅰ.短语填空

let go; be terrified of; aware of; in between; help sb. out; upside

down; sort out; draw close; in the meantime; hold up

1．He was obviously in some kind of trouble，but I didn't know

how I could ________.

答案 help him out

2．She told me to ________ the papers that could be thrown away.

答案 sort out

3．The building work has been ________ by the bad weather.

答案 held up

4．Christmas is ________. Mother is busy preparing gifts for her

children.

答案 drawing close

5．I like skiing and ________， I know it is very dangerous.

答案 in the meantime

6．When she came back home, she found her house had been

turned ________ by the burglars.

答案 upside down

7．It's time someone made him ________ the effects of his actions.

答案 aware of

8．When the girl ________ her father's hand, she fell down.

Unit 3

Under the sea

[单词 拼写应用]

核心单词

1．witness vt.当场见到；目击 n．目击者；证人；证据

2．opposite prep.在……对面 adj.相对的；相反的

3．pause vi.& n．暂停；中止

4．drag vt.拖；拉；扯

5．urge vt.催促；极力主张；驱策

6．neat adj.〈口〉好的；整齐的；匀称的

7．flee vt.& vi.逃离；逃避；逃跑

8．teamwork n．协作；配合

9．narrow adj.狭窄的；有限的；狭隘的

10．target n．目标，靶；受批评的对象

[语境运用] 用所给词的适当形式填空。

1．The two stone lions standing in front of Tian'anmen have_witnessed

(witness)many great historic events.

2．The family abandoned their home and fled (flee) the country last year.

3．Parents and children should communicate more to_narrow (narrow) the gap

between them so that they can understand each other better.

4．He arrived at school early in the morning，dragging (drag) his heavy instrument

case across the campus.

5．You'd better set yourself targets(target) that you can reasonably hope to achieve.

Unit 3

Under the sea

Ⅰ.写作单词——会拼写

1．witnessvt.& n. 目击；目击者；证据

2．pausevi.&n. 暂停；中止

3．annualadj.每年的；按年度计算的

n. 年刊；年鉴

4．dragvt.拖；拉；扯

5．urgevt.催促；极力主张；驱策

6．abandonvt.放弃；遗弃；抛弃

7．targetn. 目标；靶；受批评的对象

8．awareadj.意识到的；知道的

→awareness n. 意识

9．accommodatevt.& vi. 容纳；供应

→accommodationn. 住所；住宿

10．divevi.&n. 跳水(的动作)；潜水(的动作)；俯冲

→diver n. 潜水者

11．reflectvt.& vi. 思考；映射；反射

→reflection n. 反射；沉思

12．vividadj.生动的；鲜明的；鲜艳的

→vividlyadv. 生动地

13．narrowadj.狭窄的；有限的；狭隘的

→narrowlyadv. 狭窄地；狭隘地

14．tastev．& n. 品尝；尝起来；味道

→tastyadj.好吃的；可口的

15．scarevt.& vi. 恐吓；受惊吓

→scaredadj.恐惧的；害怕的

→scaryadj.引起恐慌的

16．sharpadj.锐利的；锋利的；敏捷的 →sharpenvt.&vi. 削尖；磨快；尖锐；变锋利

Ⅱ.阅读单词——要识记

17．fleevt.& vi.

逃离；逃避；逃跑

18．oppositeadj.相对的；相反的

prep. 在……对面

19．relationship n.

关系；血缘关系；交往

20．shallowadj.浅的；肤浅的；浅显的

21．awesomeadj.使人敬畏的；令人畏惧的

高频短语——会默写

1．in the meantime在此期间；与此同时