Unit5 Looking into nature 语法、写作篇-2026年春八年级英语下册寒假预习衔接讲义(外研版新教材)
发布时间 2026年02月09日
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Unit5 Looking into nature 语法、写作篇-2026年春八年级英语下册寒假预习衔接讲义(外研版新教材)

2026-02-09 八年级下册 0 627
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2026年春八年级英语下册寒假预习衔接讲义

Unit5 Looking into nature 语法、写作篇

  宾语从句是名词性从句的一种,在主从复合句中充当宾语,通常位于及物动词、介词或形容词之后。

宾语从句大致可以分为三类:that引导的宾语从句、if/whether引导的宾语从句和疑问词引导的宾语从句。在本单元中,我们学习that、if和whether引导的宾语从句。

一.that引导的宾语从句

当谓语动词表示肯定的概念,如“希望”“相信”“知道”或“说”时,其后的宾语从句一般用that引导。that没有任何词汇意义,只具有语法功能,目的是使读者清楚后面的句子是前面动词的宾语,多数情况下that可以省略。

I hope (that) it will rain this afternoon. 我希望今天下午会下雨。

注意  不可省略that的常见情况

(1)当一个句子有多个并列的宾语从句时,通常第一个宾语从句前的that可省略,但后面的that不可省略。

She wrote (that) she would come and see him sometimes, and that she would never forget what he had done for her. 她写信说,她会不时来看他,而且永远不会忘记他为她做的(事情)。

(2)句中带有插入语时,宾语从句的引导词that不可省略。

Your mother said, happily and proudly, that you had won the gold medal. 你妈妈高兴又自豪地说,你赢得了金牌。

(3)带补语的宾语从句的引导词that通常不可省略。

He felt it necessary that he should give Liu Bin a call later. 他觉得有必要晚些时候给刘彬打个电话。

二. if/whether引导的宾语从句

当一般疑问句充当句子的宾语时,用连词if或whether引导,if/whether在从句中不充当任何句子成分,意为“是否”,不可省略。宾语从句要用陈述语序。

I don’t know whether/if she will come this afternoon.我不知道她今天下午是否会来。

注意 whether与if引导宾语从句时的区别

区别 例句
whether引导的宾语从句可置于句首,而if无此功能。 Whether it is true or not, I can’t tell. 这是真的还是假的,我说不上来。
whether引导的宾语从句可直接用于介词之后,而if无此功能。 That depends on whether we work hard. 那取决于我们是否努力。
whether 可与or not直接连用,而if一般不能。 Let me know whether or not you can come.让我知道你是否能来。

随堂训练

一.单项选择

1. A report shows ________ teenagers need to devote more time ________ others.

A.which; understanding                            B.whether; understanding

C.that; to understand                                D./; to understanding

2. Our English teacher hopes ________ hard at English, but sometimes we don’t listen to her.

A.us to study         B.us can study            C.we can study           D.we to study

3.—What’s wrong with the dog?

—We’re sure ________ something is wrong with it, but we doubt ________ the disease can kill it.

A.if; whether        B.that; that                C.whether; if              D.that; whether

4.—How meaningful the trip is! I wonder ________ our school will hold it next year.

—Of course we will. It’s our school’s tradition.

A.when                B.where                    C.whether                  D.how

5. He isn’t sure if it ________ next Sunday. If it ________, he won’t go camping.

A.will rain; rainy   B.rains; rains             C.will rain; rains        D.rain, rain

6.—Do you know if we ________ a school leavers’ party?

—I think if we ________ too many tasks next term, we will.

A.will have; have                                     B.will have; don’t have

C.don’t have; won’t have                          D.will have; won’t have

7. The tourists are discussing ________ Chengdu or Changsha is the best city ________ at this time of the year.

A.whether; to visit B.if; to visit               C.whether; to be visited       D.it; to be visited

8.—Kate, I’m going to a party tonight. Could you please tell me ________?

—With pleasure. Wait a moment, please.

A.if the skirt looked nice on me                 B.what should I pay attention to

C.that I should take some flowers              D.whether I can order a taxi on the phone

9.—Excuse me, I wonder ________ to the Sun Cinema.

—Yes. You can take the No. 36 bus.

A.why is there a bus          B.when there is a bus             C.whether there is a bus

10.—How long does it take to get to the airport?

—Half an hour. But it’s foggy today. I am not sure ________ the highway will be closed soon.

A.when               B.whether                  C.why                       D.where

二.完成句子

1.医生建议我应该早点休息。

The doctor suggested________________________       to bed early.

2.王老师也告诉了学生他们下周三要分享他们的视频。

Miss Wang also told the students________________________   their videos next Wednesday.

3.他回答说关于这起事故他什么都不知道。

He________         he knew nothing about the accident.

4.我做了一个机器人,但发现它运转不了。

I made a robot, but I________         it didn’t work.

5.最后,这个女孩发现她的宠物狗在丢失三天后回来了。

________________ after being lost for three days.

6.比尔想知道明年他们是否会再吃到粽子。

Bill________         they’ll have zongzi again next year.

7.许多家长担心孩子们能否明智地使用人工智能。

Lots of parents worry________kids can use AI wisely________not.

8.我有时琢磨他是否天生具有这样的能力。

Sometimes I wonder________ he is________ with such an ability.

9.杰克想知道我们外出之前雨是否会停。

Jack________         the rain will stop before we go out.

10.我常常怀疑发展我的爱好是否重要。

I often________________________________________________  .

写作精讲

本单元的话题是“探索自然”,要求学生根据所给的提示内容写一篇和探索自然有关的书面表达。该话题下常见的文章体裁是记叙文和说明文,通常涉及的细分话题有:①介绍某地的自然环境;②介绍某种动物或植物。

写作实例

请根据以下要点提示,写一篇介绍盐城湿地的英语文章。要点:1.盐城是江苏东部的一个城市,以其拥有的湿地(wetland)而出名;

2.最大湿地面积约45万公顷(hectare),是众多稀有鸟类的理想家园;

3.有许多昆虫和多种植物,它们为鸟儿提供了足够的食物;

4.许多鸟类在那儿生活,许多丹顶鹤全年待在那儿;

5.如今鸟的数量越来越少,我们应该……(适当发挥一两句)。

要求:1.必须包含上述要点,可自行发挥;2.词数不少于80。

________________________________________________________________________

审题指导

1.体裁:说明文。    2.时态:以一般现在时为主。    3.人称:以第三人称为主。

4.必备词句:

(1)in the east of在……的东部;

(2)be famous for因……而闻名;

(3)have an area of拥有……的面积;

(4)an ideal home一个理想的家园;

(5)provide…with sth.为……提供某物;

(6)all year round一年到头;

(7)take action采取行动;

(8)grow up长大,成长;

(9)communicate with… 和……交流;

(10)in the wild 在野外;

(11)prevent…from doing sth. 阻止……做某事;

(12)be harmful to… 对……有害;

(13)millions of 数百万的

(14)If we don’t, it will be impossible to see many rare birds in the future. 如果我们不这样做,将来不可能再看到许多罕见的鸟类。

(15)If this is possible, it will help people use less plastic. 如果这是可能的,它会帮助人们使用更少的塑料。

(16)So far, our country has made great efforts in the environmental protection of the river. 到目前为止,我们国家在黄河的环境保护方面做了许多努力。

谋篇布局

优秀范文

Yancheng is a city in the east of Jiangsu Province. It is famous for its wetlands. The biggest wetland there has an area of about 450,000 hectares. It is an ideal home for many rare birds.

There are a lot of insects and many kinds of plants in the wetlands. They provide birds wit② enough food. There are lots of birds living in the wetlands. A lot of red-crowned cranes stay there all year round.

Now the number of birds is getting smaller and smaller. We should take action to protect our wetlands. If we don’t, it will be impossible to see many rare birds in the future.

随堂训练

(1)

植物对人类、动物以及周围的环境都非常重要。假如你是李华,请你根据以下思维导图的提示,以“The Importance of Plants”为题,从三个方面谈论一下植物的重要性,呼吁大家爱护植物。

要求:1.包含所有提示内容,可适当发挥;2.词数不少于80,
开头已给出,不计入总词数。

The Importance of Plants

We all know plants are very important for humans, animals and the environment. Now, let me introduce the importance of plants to you.

________________________________________________________________________

(2)

你听说过“最孤独的鲸鱼”Alice的故事吗?请根据以下内容提示写一篇介绍Alice的文章。

内容提示:人们在1989年首次发现了鲸鱼Alice,它身长39英尺(foot)。人们很惊奇地发现Alice用不同于其他鲸鱼的频率“说话”(speak at a different frequency from…),因此没有其他鲸鱼能听到Alice“说话”,它找不到它的家人和朋友。Alice曾独自游过了太平洋。后来,Alice消失了。

写作要求:1.词数80左右;2.必须包含上述要点,可发挥想象。

________________________________________________________________________

(3)

假如你是某国际学校自然探索社团的成员。该社团开展了以“Journey through nature”为题的征文活动。请你根据提示,用英语写一篇短文向本次征文活动投稿,叙述一次让你印象最深的户外活动,分享你的所见所闻。

提示:

Where did you take the trip?

·on a small mountain

Who went there with you?

·my family

What did you do during the trip?

·climbed the mountain

·saw beautiful flowers and lovely butterflies

·…

How did you feel?

·an amazing experience

·…

What was the happiest moment?

·reached the top

·…

要求:1. 包含提示信息,可适当发挥;2. 语句通顺,语法正确,行文连贯,书写工整;3. 80词左右(开头已给出,不计入总词数)。

I’m happy to share my favourite hiking experience with you. Last summer,

_____________________________________________________________________________________________________________________________________

(4)

为了传播环保理念,探索自然生灵奥秘,2025年大自然生活节 (Natural Life Festival) 将在净月森林动物园精彩绽放。现面向全体同学招募志愿者。假设你是李华,请根据招募要求写一封40词左右的自荐信。

招募要求:

1.你的特长和兴趣爱好;

2.懂得如何保护野生动物;

3.服务时间为8月份的每个周末。

写作要求:语言通顺,意思连贯,条理清楚,书写规范。

Dear Sir,

_____________________________________________________________________________________________________________________________________

Yours,

Li Hua

(5)

假设你是李华,你所在班级上周日组织了一次以“自然探索与环保行动”为主题的社会实践活动。请根据提示给你的英国好友Tom写一封英文邮件,谈谈当天的活动经历和感受。

要点:1.时间地点:上周日上午10点到下午4点,红树林自然保护区(Mangrove Nature Reserve);

2.具体实践活动:

① 参观自然保护区;② 参与植树活动;

③ 观察黑脸琵鹭 (black-faced spoonbill) 等珍稀鸟类;④ …… (自行补充一点)

3.活动感受与收获。

要求:

1.要点齐全,可适当发挥;

2.条理清楚,语句通顺,意义连贯,书写规范;

3.不得出现真实姓名和校名;

4.80词左右,开头和结尾已给出,不计入总词数。

参考词汇:ecosystem (生态环境), social practice(社会实践), rare (珍稀的)

Dear Tom,

How’s everything going? Last Sunday, our class

_____________________________________________________________________________________________________________________________________

Best wishes,

Li Hua

…………

参考答案

一.单项选择

1. D

【详解】句意:一份报告显示青少年需要投入更多时间理解他人。

考查宾语从句引导词和动词短语搭配。主句“A report shows”后接宾语从句,从句“teenagers need to devote more time to understanding others”为陈述事实,引导词“that”可省略。动词短语“devote time to”中“to”为介词,后需接动名词,因此“to understanding”正确。故选D。

2. C

…………

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