2026年自主高效练八年级英语下册外研版评议教辅第41页答案
一、单词拼写
1. The teacher used a(n)
model
(模型)of the solar system to show us how planets move.
2. We can't just sit by and watch our
planet
(行星)be destroyed.
3. The space station
uploaded
(上传)new data about Mars yesterday.
4. I saw the notice for the upcoming trip on the
board
(布告牌).
5. It took us an hour to
clear
(清除)the small plants to see the rock.

答案

1. model 2. planet 3. uploaded 4. board 5. clear

解析

【分析】本题为英语单词拼写题,需结合中文释义、句子语法规则(如时态、固定搭配、句型结构)确定正确单词形式。具体思路:1. 根据中文“模型”,结合前面的不定冠词a(n),确定用单数名词;2. 根据中文“行星”,结合形容词性物主代词our,确定用单数名词;3. 根据时间状语yesterday,确定动词用过去式;4. 根据中文“布告牌”,结合固定搭配on the...,确定对应名词;5. 根据句型It takes sb +时间+to do sth,确定用动词原形。
【解析】1. 中文提示“模型”,不定冠词a(n)后接单数名词,故填model;2. 中文提示“行星”,our后接单数名词,故填planet;3. 时间状语yesterday表过去,动词需用过去式,“上传”的过去式为uploaded;4. 中文提示“布告牌”,固定搭配on the board,故填board;5. 句型It takes sb time to do sth,需用动词原形,“清除”对应clear,故填clear。
【答案】1. model 2. planet 3. uploaded 4. board 5. clear
【知识点】英语单词拼写、一般过去时、固定搭配
【点评】本题考查初中英语核心词汇的运用,难度较低,需注意时态变化和固定搭配的积累,适合基础巩固练习。
【难度系数】0.8
二、语法填空迁移练
6. What's ______ (amaze) about this deep-sea fish is its ability to glow.
7. The river is ______ (wide) here than near its start.
8. The explorer ______ (find) a path through the forest yesterday.
9. She draws the stars in ______ (she) special way.

答案

6. amazing 7. wider 8. found 9. her

解析

【分析】
本题为英语语法填空题,需结合句子结构、提示词及语法规则变形:第6题需形容词作表语修饰事物,用amaze的正确形容词;第7题有比较级标志than,需用形容词比较级;第8题时间状语yesterday提示用一般过去时;第9题修饰名词需用形容词性物主代词。
【解析】
6. 空格处需形容词作主语从句的表语,描述事物特性,amaze的形容词中,amazing用于修饰事物,故填amazing;
7. 句中than是比较级标志,wide的比较级为wider,故填wider;
8. 时间状语yesterday表过去,谓语动词用一般过去时,find的过去式是found,故填found;
9. 空格后是名词way,需用形容词性物主代词,she对应的形容词性物主代词为her,故填her。
【答案】
6. amazing 7. wider 8. found 9. her
【知识点】
形容词的用法、形容词比较级、一般过去时与物主代词
【点评】
本题考查英语基础语法核心考点,涉及词形变化、比较级、时态及物主代词的基础用法,是初中英语语法的重点内容,难度较低,适合巩固基础。
【难度系数】
0.8
三、根据句意,在空白处填入一个适当的词
10. Learning about rocks is part
of
our science class.
11.
In
the past, people thought the earth was the centre of the universe.
12. Many students are interested
in
exploring the universe.
13. Scientists are worried that these beautiful birds are dying
out
.
14. What is
the
topic for your presentation on space?

答案

10. of 11. In 12. in 13. out 14. the

解析

【分析】
这是五道英语介词与冠词的填空题,核心考查固定搭配、介词短语及冠词的特指用法。解题时需回忆常用固定短语、介词搭配规则,以及冠词表特指的用法:10题对应“part of”固定搭配;11题对应“in the past”介词短语;12题对应“be interested in”固定搭配;13题对应“die out”动词短语;14题对应定冠词表特指的用法。
【解析】
10. 固定搭配“part of”意为“……的一部分”,符合“了解岩石是我们科学课的一部分”的句意,故填of;
11. “in the past”是固定介词短语,意为“在过去”,句首单词首字母需大写,故填In;
12. “be interested in”是固定搭配,意为“对……感兴趣”,符合句意,故填in;
13. “die out”是固定短语,意为“灭绝”,契合“这些美丽鸟类正在灭绝”的语境,故填out;
14. 此处特指“关于太空展示的那个话题”,需用定冠词the表特指,故填the。
【答案】10. of 11. In 12. in 13. out 14. the
【知识点】介词固定搭配、定冠词用法、动词短语搭配
【点评】本题聚焦英语基础核心知识点,以固定搭配和冠词用法为考查重点,属于日常学习需积累的基础内容,难度较低,主要检验学生的基础知识掌握情况。
【难度系数】0.8
四、根据本单元所学的语法知识,在空白处填入一个适当的词
An anthropologist(人类学家) went to live in a small village. He wanted 15. ______ (learn) about the people's daily life. He soon discovered 16. ______ their customs were very different from 17. ______ (he) own. He needed to find out 18. ______ the villagers would accept him as a friend. He asked the elder in the village 19. ______ he could join their important ceremony. The elder explained 20. ______ the ceremony was for family members only. The anthropologist wondered 21. ______ he could ever truly understand their world. He thought about 22. ______ his presence was changing their behaviour. He finally realised 23. ______ respecting their rules was the most important thing. He knew 24. ______ his journey was just beginning.

答案

15. to learn 16. that 17. his 18. whether/if 19. whether/if 20. that 21. whether/if 22. whether/if 23. that 24. that

解析

【分析】
本题主要考查英语语法中的固定搭配、形容词性物主代词以及宾语从句引导词的用法。解题时需先分析每个句子的结构,判断空格处的成分和所需词性/引导词:15题考查固定搭配;17题考查形容词性物主代词;其余空格多为宾语从句,需根据从句是否缺成分、句意(是否表“是否”)选择合适的引导词。
【解析】
15. 固定搭配want to do sth.表示“想要做某事”,故填to learn;
16. discovered后接宾语从句,从句结构完整不缺成分,用that引导宾语从句,故填that;
17. own前需用形容词性物主代词修饰,he的形容词性物主代词为his,故填his;
18. 句意表“是否”,宾语从句中表“是否”用whether/if,故填whether/if;
19. asked后接宾语从句,表“是否能参加仪式”,用whether/if,故填whether/if;
20. explained后接宾语从句,从句结构完整,用that引导,故填that;
21. wondered后接宾语从句,表“是否能理解他们的世界”,用whether/if,故填whether/if;
22. about后接宾语从句,表“是否他的存在改变行为”,用whether/if,故填whether/if;
23. realised后接宾语从句,从句结构完整,用that引导,故填that;
24. knew后接宾语从句,从句结构完整,用that引导,故填that。
【答案】
15. to learn 16. that 17. his 18. whether/if 19. whether/if 20. that 21. whether/if 22. whether/if 23. that 24. that
【知识点】
宾语从句引导词、固定搭配、形容词性物主代词
【点评】
本题为基础语法填空题,聚焦核心语法点,需学生掌握宾语从句引导词的选择规则、固定短语搭配及物主代词用法,是英语学习中需熟练掌握的基础题型。
【难度系数】
0.5