2026年同步导学与优化训练八年级英语下册人教版第78页答案
Ⅰ. 用所给单词的适当形式填空
1. Some people believe the
worst
(bad) thing is to do nothing.
2. I was angry because the manager refused
to answer
(answer) my questions.
3. We should learn from
heroes
(hero) and try to make contributions to our country.
4. We need to have more
volunteers
(volunteer) to help with the charity work.
5. Let's take a holiday in
Southeastern
(southeast) Asia.

答案

1. worst 2. to answer 3. heroes
4. volunteers 5. Southeastern

解析

【分析】
1. 空格前有定冠词the,结合句意“最糟的事”,需用形容词bad的最高级形式;
2. 考查固定搭配refuse to do sth,意为“拒绝做某事”,故用动词不定式;
3. 此处泛指“英雄”这类人,需用名词hero的复数形式;
4. more修饰可数名词复数,volunteer是可数名词,需用复数形式;
5. “东南亚”是固定专有表达,需用形容词形式修饰Asia,故用专有形容词。
【解析】
1. 句中定冠词the后接形容词最高级,bad的最高级为worst,故填worst;
2. 固定搭配refuse to do sth要求后接动词不定式,故填to answer;
3. hero的复数形式为heroes,泛指多个英雄,符合句意,故填heroes;
4. more表示“更多的”,后接可数名词复数,volunteer的复数为volunteers,故填volunteers;
5. “东南亚”的正确表达为Southeastern Asia,需用形容词Southeastern修饰名词Asia,故填Southeastern。
【答案】
1. worst 2. to answer 3. heroes 4. volunteers 5. Southeastern
【知识点】
形容词最高级、动词不定式、名词复数
【点评】
本题考查英语基础词汇的词形变化及固定搭配,涵盖形容词最高级、动词不定式作宾语、名词复数变化等核心知识点,侧重对英语基础语法和常用表达的掌握,难度适中,适合巩固基础。
【难度系数】
0.7
Ⅱ. 完成句子
1. 除了有一些拼写错误外,这篇短文整体不错。
The passage is good,
except
for
some spelling mistakes.
2. 他太累了,以至于他一躺在床上就睡着了。
He was so tired that he fell asleep
as
soon
as
he lay in bed.
3. 昨天一名保安在公园里帮忙找到了一个走失的孩子。
A
security
guard
helped find a lost child in the park yesterday.
4. 多亏了约翰敏捷的思维,他成功从火灾中救下了自己一家人。
Thanks
to
John's quick
thinking
, he successfully saved his family from the fire.
5. 丹尼尔计划将剩下的零花钱放进他的银行账户。
Daniel plans to put
the
rest
of
his pocket money into his bank account.

答案

1. except for
2. as soon as
3. security guard
4. Thanks to; thinking
5. the rest of

解析

【分析】
1. 第一题需表达“整体不错,除了局部小错误”,对应表示“整体中除局部瑕疵”的固定短语except for;2. 第二题需填“一…就…”的时间连词短语,固定搭配为as soon as;3. 第三题“保安”对应的英文名词短语是security guard;4. 第四题“多亏”对应固定短语Thanks to,“敏捷的思维”中“思维”用名词thinking;5. 第五题“剩下的”对应修饰不可数名词的固定短语the rest of。
【解析】
1. 表示“整体中除了局部小问题”用except for,符合语境,故填except for;2. “一…就…”引导时间状语从句的固定表达为as soon as,故填as soon as;3. “保安”的英文是security guard,故填security guard;4. “多亏”对应固定短语Thanks to,“敏捷的思维”中“思维”用名词thinking,故填Thanks to; thinking;5. “剩下的”对应修饰不可数名词pocket money的固定短语the rest of,故填the rest of。
【答案】
1. except for
2. as soon as
3. security guard
4. Thanks to; thinking
5. the rest of
【知识点】
固定短语搭配、连词短语、名词
【点评】
本题考查基础英语固定短语、常用名词及连词的运用,属于基础题型,需牢记常用短语的固定搭配和用法。
【难度系数】
0.8
Ⅲ.(教材 p.46 & p.47 1b 改编)短文填空
It was a sunny morning on 26 December 2004, in Phuket, Thailand. My family and I were enjoying our vacation, walking along the beach. Suddenly, I noticed 1.
something
strange
(一些奇怪的事)—the waves looked different. 2.
Thick
white
froth
(厚厚的白色泡沫)was forming on top of the waves. The waves were coming in instead of going out.
I remembered my geography lesson. An earthquake under the sea could create 3.
dangerous
waves
(危险的海浪)called tsunamis. I shouted to my parents, “There's going to be a tsunami!”
At first, they didn't believe me. “Don't be silly, Tilly,” my dad said. But I 4.
refused
(拒绝)to move. “Please, we have to warn people!” I insisted.
Back at the hotel, I begged my father to warn others. He told a(n) 5.
security
guard
(保安)about the tsunami, who immediately understood the danger. He knew about the huge earthquake in 6.
nearby
(附近)Indonesia. He rushed to get people off the beach. Within minutes, people were 7.
screaming
(尖叫)and running as the guard cleared the beach. Moments later, they saw a huge wall of water coming from the sea.
8.
Thankfully
(万幸的是), all of us were safe just as the water hit the hotel. Thanks to my 9.
knowledge
(知识)and 10.
quick
thinking
(快速思维), many lives were saved that day.

答案

1. something strange
2. Thick white froth 3. dangerous waves
4. refused 5. security guard 6. nearby
7. screaming 8. Thankfully
9. knowledge 10. quick thinking

解析

【分析】
本题为短文填空题,需结合上下文语境、中文提示及英语语法知识填写正确的单词或短语。解题时先通读全文把握故事主旨(2004年普吉岛海啸前,女孩蒂莉利用地理知识提醒他人避险的经历),再针对每个空格,根据括号内的中文提示,结合句子的时态、词性、固定搭配等规则确定合适的英文表达。
【解析】
1. 需表达“一些奇怪的事”,不定代词something后接形容词作定语,故填something strange。
2. 需表达“厚厚的白色泡沫”,形容词Thick(厚的)、white(白色的)修饰名词froth(泡沫),且位于句首首字母大写,故填Thick white froth。
3. 需表达“危险的海浪”,形容词dangerous(危险的)修饰名词复数waves(海浪),故填dangerous waves。
4. 需表达“拒绝”,全文为一般过去时,故填动词过去式refused。
5. 需表达“保安”,固定名词短语security guard,故填security guard。
6. 需表达“附近”,修饰名词Indonesia用形容词nearby,故填nearby。
7. 与running并列构成过去进行时,需用现在分词,“尖叫”的现在分词为screaming,故填screaming。
8. 需表达“万幸的是”,位于句首作状语用副词Thankfully,首字母大写,故填Thankfully。
9. 需表达“知识”,不可数名词knowledge,故填knowledge。
10. 需表达“快速思维”,固定名词短语quick thinking,故填quick thinking。
【答案】
1. something strange
2. Thick white froth
3. dangerous waves
4. refused
5. security guard
6. nearby
7. screaming
8. Thankfully
9. knowledge
10. quick thinking
【知识点】
词汇运用、固定搭配、动词时态
【点评】
本题结合真实海啸避险事件,以短文填空形式考查基础英语知识,既巩固词汇语法,又传递安全常识,难度适中,适合学生练习。
【难度系数】
0.6