2026年自主高效练八年级英语下册外研版评议教辅第38页答案
一、单词拼写
1. The deep ocean is still full of
unknown
(未知的)creatures.
2. The
northern
(北部的)part of the forest has many tall pine trees.
3. The old
belief
(观点)that the sun went around the earth was wrong.
4. It’s uncertain
whether
(是否)they will accept the plan.

答案

1. unknown 2. northern 3. belief 4. whether

解析

【分析】本题为英语单词拼写题,需结合括号内的中文提示,根据句子中被修饰词的词性要求,填写正确的英文单词。具体思路:1. 修饰名词creatures需用形容词,对应“未知的”;2. 修饰名词part需用形容词,对应“北部的”;3. 被形容词old修饰需用名词,对应“观点”;4. 主语从句中表达“是否”需用连词whether。
【解析】1. 空格处修饰名词creatures,需用形容词,“未知的”英文为unknown,故填unknown;2. 空格处修饰名词part,需用形容词,“北部的”英文为northern,故填northern;3. 空格处被形容词old修饰,需用名词,“观点”英文为belief,故填belief;4. 此处为it作形式主语的主语从句,表达“是否”的含义,需用连词whether,故填whether。
【答案】1. unknown 2. northern 3. belief 4. whether
【知识点】单词拼写、形容词用法、名词用法
【点评】本题考查英语基础词汇的拼写及在句子中的词性运用,属于常规基础题型,侧重巩固核心词汇,难度较低。
【难度系数】0.8
二、语法填空迁移练
5. The effects of sunlight on plants
have been studied
(study) much for many years.
6. The basic idea of gravity(重力)
is understood
(understand) by most people now.
7. The
planet's
(planet) surface is covered with rocks and dust.
8. Scientists announced the
discovery
(discover) of a new species of plant.

答案

5. have been studied 6. is understood 7. planet's 8. discovery

解析

【分析】
本题为语法填空,需结合句子时态、主被动关系、句子结构及词性变化确定答案:
5. 时间状语“for many years”提示用现在完成时,主语与动词为被动关系,需用现在完成时被动语态;
6. 时间状语“now”提示用一般现在时,主语与动词为被动关系,需用一般现在时被动语态;
7. 空格后是名词,需用名词所有格作定语修饰;
8. 定冠词“the”后需接名词,需转换动词为名词形式。
【解析】
5. 句中“for many years”是现在完成时的标志,主语“the effects”与“study”为被动关系,现在完成时被动语态结构为“have/has + been + 过去分词”,主语为复数,故填have been studied;
6. 时间状语“now”表明用一般现在时,主语“the basic idea”与“understand”为被动关系,一般现在时被动语态结构为“am/is/are + 过去分词”,主语为单数,故填is understood;
7. 空格后是名词“surface”,需用planet的名词所有格planet's作定语修饰,故填planet's;
8. 定冠词“the”后需接名词,discover的名词形式为discovery,故填discovery。
【答案】
5. have been studied 6. is understood 7. planet's 8. discovery
【知识点】
现在完成时被动语态;一般现在时被动语态;词性转换
【点评】
本题考查基础语法点,涵盖动词时态语态、名词所有格及词性转换,需结合句子成分和语境判断,难度适中,适合巩固语法基础。
【难度系数】
0.5
三、根据句意,在空白处填入一个适当的词
9. I want to be an astronaut
in
the future to explore the universe.
10. Thanks
to
powerful telescopes, we can see stars that are very far away from us.
11. Scientists are still studying
whether/if
there is liquid water on Mars.
12. From space, the winding(蜿蜒的) river looks
like
a giant, blue snake on the land.

答案

9. in 10. to 11. whether/if 12. like

解析

【分析】
本题考查英语基础知识点的运用,需结合固定短语搭配、宾语从句引导词用法等分析每个句子语境:第9题需对应“在未来”的固定表达;第10题对应“多亏”的固定短语;第11题需选择宾语从句中表“是否”的引导词;第12题对应“看起来像”的固定短语。
【解析】
9. 考查固定短语搭配。“in the future”是固定表达,意为“在未来”,符合句子“未来想成为宇航员”的语境,故填in。
10. 考查固定短语搭配。“thanks to”是固定短语,意为“多亏;由于”,符合句子“多亏望远镜能看到远星”的逻辑,故填to。
11. 考查宾语从句引导词。此处为宾语从句,从句表达“火星上是否有液态水”,需用表“是否”的引导词whether或if,故填whether/if。
12. 考查固定短语搭配。“look like”是固定表达,意为“看起来像”,符合句子描述河流外观的语境,故填like。
【答案】9. in 10. to 11. whether/if 12. like
【知识点】固定短语搭配、宾语从句引导词、介词用法
【点评】本题聚焦初中英语基础知识点,主要考查常见固定短语的运用和宾语从句引导词的选择,属于基础题型,只要平时积累相关知识点即可解答,难度适中。
【难度系数】0.3
四、完形填空
The United Nations declared 2024 as the International Year of the Camelids(国际驼科动物年). It was a special year to
B
13
for these camels. Camels are the most famous
D
14
in the camelid family.
Did you ever
A
15
on a camel in the desert? The camel sways(摇摆) when it
C
16
. It feels like a boat ride on the sand. People call camels "
A
17
of the desert".
Long ago, people used camels to
C
18
all their things across hot and dry deserts. Camels are really
B
19
at travelling in the desert. They eat plants and carry more things than horses. When wind and sand fill the air, they can
A
20
travel.
And they don't need much water. Sometimes, a camel can carry lots of things
D
21
go with no water for two weeks.
Today, desert people still ride on camels and use
D
22
to carry things. People also drink healthy camel
B
23
. And camels can do
C
24
more. People use camel hair to
C
25
tents and even clothes. Even camel droppings(粪便) are useful. Desert people use them to help
A
26
meals!
So, next time you think about a desert
B
27
, remember to visit these animals. They have been helping people for a long time.
(
)13. A. read B. care C. eat D. circle
(
)14. A. horses B. actors C. parents D. members
(
)15. A. ride B. run C. skate D. dance
(
)16. A. eats B. sleeps C. walks D. swims
(
)17. A. boats B. trees C. flowers D. mountains
(
)18. A. sell B. save C. carry D. create
(
)19. A. quick B. good C. angry D. surprised
(
)20. A. still B. never C. hardly D. quietly
(
)21. A. if B. or C. but D. and
(
)22. A. it B. us C. him D. them
(
)23. A. coffee B. milk C. juice D. water
(
)24. A. too B. yet C. even D. so
(
)25. A. kick B. draw C. make D. fit
(
)26. A. cook B. drink C. water D. play
(
)27. A. song B. trip C. book D. picture

答案

13.B 14.D 15.A 16.C 17.A 18.C 19.B 20.A 21.D 22.D
23.B 24.C 25.C 26.A 27.B

解析

【分析】
做完形填空需先通读全文把握主旨,再结合上下文语境、词义辨析、固定搭配及逻辑关系逐一解题。本文围绕“国际驼科动物年”展开,介绍骆驼的特点与用途,解题时需紧扣骆驼的相关描述,分析每个空的语境需求。
【解析】
13. 考查固定搭配。care for意为“关心”,联合国将2024定为国际驼科动物年,是为了关心这些骆驼,故选B。
14. 考查名词词义。骆驼是驼科家族最著名的成员,members意为“成员”,符合语境,故选D。
15. 考查动词词义。后文提到在沙漠里的骆驼,此处问是否骑过骆驼,ride意为“骑”,故选A。
16. 考查动词词义。骆驼走路时会摇摆,walk意为“走路”,符合骆驼的动作特点,故选C。
17. 考查名词词义。前文说骆驼像沙上的船,因此被称为“沙漠之舟”,boats符合语境,故选A。
18. 考查动词词义。过去人们用骆驼搬运物品,carry意为“搬运”,故选C。
19. 考查固定搭配。be good at意为“擅长”,骆驼擅长在沙漠中行走,故选B。
20. 考查副词词义。风沙大时骆驼仍然能行走,still意为“仍然”,故选A。
21. 考查连词。搬运物品和不喝水是并列动作,用and连接,故选D。
22. 考查代词。指代复数名词camels,作use的宾语,用them,故选D。
23. 考查名词词义。人们喝健康的骆驼奶,milk符合语境,故选B。
24. 考查副词词义。even more意为“甚至更多”,表示递进,骆驼还有更多用途,故选C。
25. 考查动词词义。用骆驼毛制作帐篷,make意为“制作”,故选C。
26. 考查固定搭配。cook meals意为“做饭”,骆驼粪便用于帮助做饭,故选A。
27. 考查名词词义。沙漠旅行时记得这些动物,trip意为“旅行”,故选B。
【答案】
13.B 14.D 15.A 16.C 17.A 18.C 19.B 20.A 21.D 22.D 23.B 24.C 25.C 26.A 27.B
【知识点】
完形填空解题技巧、词义辨析、固定搭配
【点评】
本文主题贴近生活,围绕骆驼展开,考查基础词汇与常用搭配,需结合上下文语境分析,适合初中阶段学生练习,能提升词汇运用与阅读理解能力。
【难度系数】
0.5