Unit4 Amazing plants and animals语法知识考点精练（含答案）—人教版英语八年级上册
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| 名称 | Unit4 Amazing plants and animals语法知识考点精练（含答案）—人教版英语八年级上册 |  | |
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| 科目 | 英语 | ||
| 更新时间 | 2025-08-04 16:36:49 | ||
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人教版八年级上册Unit4 Amazing plants and animals语法知识考点精练
一、选出不同类的一项（10分）
( )1. A. bamboo B. whale C. butterfly
( )2. A. discovered B. appeared C. amazing
( )3. A. since B. while C. during
( )4. A. which B. whose C. how
( )5. A. has seen B. will grow C. was eating
二、单项选择题（共15分）
Scientists ______ this rare plant in the rainforest for over ten years, and they're still doing research on it.
A. found B. have found C. have been finding D. are finding
—Do you know ______ the panda will stay in this zoo
—For at least two months.
A. how long B. how soon C. how often D. how far
The guide told us that the ancient trees ______ here for more than 500 years.
A. have lived B. lived C. had lived D. were living
Could you tell me ______ the flowers need special care in winter
A. that B. if C. what D. who
By the time we arrived at the reserve, the birds ______ for south.
A. have flown B. had flown C. flew D. were flying
"These plants can survive without water for months," the expert said. The expert said that those plants ______ without water for months.
A. can survive B. could survive C. survive D. survived
I wonder ______ the workers are going to protect the endangered animals.
A. when B. that C. which D. whose
Our teacher said that the sun ______ light and heat to all living things on Earth.
A. gives B. gave C. will give D. is giving
The farmers ______ the crops against the storm since early morning.
A. protect B. protected C. have protected D. have been protecting
"I am watching the ants carry food," little Tom said. Little Tom said that he ______ the ants carry food.
A. watches B. watched C. was watching D. is watching
This is the valley ______ many kinds of rare birds live.
A. which B. where C. what D. when
By the end of next year, we ______ a complete map of the rainforest ecosystem.
A. will make B. will have made C. have made D. are making
The book ______ by the scientist last year explains how plants communicate with each other.
A. writing B. written C. was written D. is written
—Has your brother finished his report on whales
—Not yet. He ______ on it for three hours.
A. worked B. works C. has been working D. will work
Do you know ______ invention of the microscope helped people discover tiny organisms
A. that B. what C. whose D. which
三、用括号里单词的正确形式填空（共20分）
The researchers ______ (study) the behavior of monkeys in this area since 2018.
Could you tell me if the seeds ______ (germinate) in such cold weather
The reporter said that the number of tigers ______ (increase) by 15% in the past five years.
By next month, we ______ (keep) these rare fish in the aquarium for two years.
Do you know ______ (which) part of the plant can be used as medicine
She asked me how long I ______ (wait) for the bus when she saw me.
The textbook tells us that a plant ______ (make) its own food through photosynthesis.
The volunteers ______ (build) the bird nests for three days by the time the rain stops.
"I will observe the bats' activities tonight," the biologist said. The biologist said that he ______ (observe) the bats' activities that night.
We don't know ______ (how far) the roots of this tree spread underground.
The little girl ______ (look) at the colorful butterflies in the garden for an hour and doesn't want to leave.
He wondered ______ (whether) the flowers would bloom before the frost came.
The farmer said that he ______ (can) harvest the special corn in autumn.
By the time you read this book, you ______ (learn) a lot about plant reproduction.
Do you remember ______ (when) we first saw that rare white peacock
This is the scientist ______ (who) research on plant hormones is world - famous.
The snake ______ (lie) in the sun since morning to raise its body temperature.
She asked me ______ (what) I had fed the pandas the day before.
The teacher told us that water ______ (boil) at 100℃, which is important for plant growth.
They ______ (not find) the missing wolf cub yet, but they are still searching.
四、按要求改写句子（共30分）
The zookeeper said, "The baby panda is gaining weight every day."（改为间接引语）
The zookeeper said that the baby panda ______ ______ weight every day.
We want to know. Will the lotus flowers bloom next week （合并为宾语从句）
We want to know ______ the lotus flowers ______ bloom next week.
The botanists have been doing experiments on this plant for five years.（对划线部分提问）
______ ______ have the botanists been doing experiments on this plant
"I can recognize this kind of insect from its wings," the entomologist said.（改为间接引语）
The entomologist said that ______ ______ recognize that kind of insect from its wings.
Do you know Where do these migrating birds spend their winter （合并为宾语从句）
Do you know ______ these migrating birds ______ their winter
The workers have been building the new wildlife center since last March.（改为一般疑问句）
______ the workers ______ building the new wildlife center since last March
"I will collect more samples of this moss tomorrow," the student said.（改为间接引语）
The student said that he ______ ______ more samples of that moss the next day.
We don't know. What should we do to protect the ancient trees （合并为宾语从句）
We don't know ______ we ______ do to protect the ancient trees.
The plant has been growing in this pot for two months.（对划线部分提问）
______ ______ has the plant been growing in this pot
"I saw a strange - looking frog in the pond yesterday," Mike said.（改为间接引语）
Mike said that he ______ ______ a strange - looking frog in the pond the day before.
The students plant trees. The trees can prevent soil erosion.（合并为定语从句）
The students plant trees ______ ______ prevent soil erosion.
"We have found three new species in this area," the scientists announced.（改为间接引语）
The scientists announced that they ______ ______ three new species in that area.
This is the forest. Many endangered animals live in this forest.（合并为定语从句）
This is the forest ______ ______ many endangered animals live.
By the end of last year, they had finished the project on bamboo growth.（改为否定句）
By the end of last year, they ______ ______ the project on bamboo growth.
"Are these seeds still viable " the gardener asked.（改为间接引语）
The gardener asked ______ those seeds ______ still viable.
五、句子改错（10分）
The scientist has been discovered a new type of orchid in the mountain.（ ）________
I don't know when will the migration of the geese start.（ ）________
My brother said that he is going to study marine biology in college.（ ）________
The flowers which was planted last month are blooming now.（ ）________
They have been observed the behavior of the elephants for three weeks.（ ）________
The teacher told us that the moon went around the Earth.（ ）________
Do you know how many species of birds has been recorded in this reserve （ ）________
By the time we got to the garden, the butterflies fly away.（ ）________
This is the place where we first meet that rare red panda.（ ）________
He asked me that I had ever seen a Venus flytrap before.（ ）________
六、语法填空（共15分）
阅读下面短文，在空白处填入一个适当的单词或用括号内单词的正确形式填空。
Plants and animals have amazing ways of surviving in different environments. For example, cacti 1______ (live) in deserts for thousands of years. They 2______ (develop) special stems to store water since they first appeared.
Many animals 3______ (use) camouflage to hide from predators. A chameleon can change its color to match its surroundings. Scientists 4______ (study) this ability for decades and 5______ (find) some interesting facts so far.
Did you know that some plants 6______ (communicate) with each other When a plant 7______ (attack), it sends out chemicals to warn nearby plants. This process 8______ (discover) by researchers in the 1980s.
By the year 2050, botanists 9______ (identify) most of the world's plant species. However, many species 10______ (disappear) before we even know they exist. That's why protecting our ecosystems 11______ (be) so important.
A recent study shows that bees 12______ (visit) the same flowers at the same time every day. This behavior 13______ (help) them collect nectar more efficiently. The study also found that bees 14______ (learn) new routes quickly if their usual path 15______ (block).
答案
一、选出不同类的一项 1-5 ACCCB
二、单项选择题 1-5 CACBB 6-10 BAADC 11-15 BBBCA
三、用括号里单词的正确形式填空
have been studying
will germinate
had increased
will have kept
which
had been waiting
makes
will have been building
would observe
how far
has been looking
whether
could
will have learned
when
whose
has been lying
what
boils
haven't found
四、按要求改写句子
was gaining
if/whether; will
How long
he could
where; spend
Have; been
would collect
what; should
How long
had seen
which can
had found
in which
hadn't finished
if/whether; were
五、句子改错.
（discovered）改成 discovering
（will the migration）改成the migration will
（is）改成was
（was）改成were
（observed）改成observing
（went）改成goes
（has）改成have
（fly）改成had flown
（meet）改成met
（that）改成 if/whether
六、语法填空。
have lived
have been developing
use
have been studying
have found
can communicate
is attacked
was discovered
will have identified
will have disappeared
is
visit
helps
can learn
is blocked
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）
21世纪教育网(www.21cnjy.com)
人教版八年级上册Unit4 Amazing plants and animals语法知识考点精练
一、选出不同类的一项（10分）
( )1. A. bamboo B. whale C. butterfly
( )2. A. discovered B. appeared C. amazing
( )3. A. since B. while C. during
( )4. A. which B. whose C. how
( )5. A. has seen B. will grow C. was eating
二、单项选择题（共15分）
Scientists ______ this rare plant in the rainforest for over ten years, and they're still doing research on it.
A. found B. have found C. have been finding D. are finding
—Do you know ______ the panda will stay in this zoo
—For at least two months.
A. how long B. how soon C. how often D. how far
The guide told us that the ancient trees ______ here for more than 500 years.
A. have lived B. lived C. had lived D. were living
Could you tell me ______ the flowers need special care in winter
A. that B. if C. what D. who
By the time we arrived at the reserve, the birds ______ for south.
A. have flown B. had flown C. flew D. were flying
"These plants can survive without water for months," the expert said. The expert said that those plants ______ without water for months.
A. can survive B. could survive C. survive D. survived
I wonder ______ the workers are going to protect the endangered animals.
A. when B. that C. which D. whose
Our teacher said that the sun ______ light and heat to all living things on Earth.
A. gives B. gave C. will give D. is giving
The farmers ______ the crops against the storm since early morning.
A. protect B. protected C. have protected D. have been protecting
"I am watching the ants carry food," little Tom said. Little Tom said that he ______ the ants carry food.
A. watches B. watched C. was watching D. is watching
This is the valley ______ many kinds of rare birds live.
A. which B. where C. what D. when
By the end of next year, we ______ a complete map of the rainforest ecosystem.
A. will make B. will have made C. have made D. are making
The book ______ by the scientist last year explains how plants communicate with each other.
A. writing B. written C. was written D. is written
—Has your brother finished his report on whales
—Not yet. He ______ on it for three hours.
A. worked B. works C. has been working D. will work
Do you know ______ invention of the microscope helped people discover tiny organisms
A. that B. what C. whose D. which
三、用括号里单词的正确形式填空（共20分）
The researchers ______ (study) the behavior of monkeys in this area since 2018.
Could you tell me if the seeds ______ (germinate) in such cold weather
The reporter said that the number of tigers ______ (increase) by 15% in the past five years.
By next month, we ______ (keep) these rare fish in the aquarium for two years.
Do you know ______ (which) part of the plant can be used as medicine
She asked me how long I ______ (wait) for the bus when she saw me.
The textbook tells us that a plant ______ (make) its own food through photosynthesis.
The volunteers ______ (build) the bird nests for three days by the time the rain stops.
"I will observe the bats' activities tonight," the biologist said. The biologist said that he ______ (observe) the bats' activities that night.
We don't know ______ (how far) the roots of this tree spread underground.
The little girl ______ (look) at the colorful butterflies in the garden for an hour and doesn't want to leave.
He wondered ______ (whether) the flowers would bloom before the frost came.
The farmer said that he ______ (can) harvest the special corn in autumn.
By the time you read this book, you ______ (learn) a lot about plant reproduction.
Do you remember ______ (when) we first saw that rare white peacock
This is the scientist ______ (who) research on plant hormones is world - famous.
The snake ______ (lie) in the sun since morning to raise its body temperature.
She asked me ______ (what) I had fed the pandas the day before.
The teacher told us that water ______ (boil) at 100℃, which is important for plant growth.
They ______ (not find) the missing wolf cub yet, but they are still searching.
四、按要求改写句子（共30分）
The zookeeper said, "The baby panda is gaining weight every day."（改为间接引语）
The zookeeper said that the baby panda ______ ______ weight every day.
We want to know. Will the lotus flowers bloom next week （合并为宾语从句）
We want to know ______ the lotus flowers ______ bloom next week.
The botanists have been doing experiments on this plant for five years.（对划线部分提问）
______ ______ have the botanists been doing experiments on this plant
"I can recognize this kind of insect from its wings," the entomologist said.（改为间接引语）
The entomologist said that ______ ______ recognize that kind of insect from its wings.
Do you know Where do these migrating birds spend their winter （合并为宾语从句）
Do you know ______ these migrating birds ______ their winter
The workers have been building the new wildlife center since last March.（改为一般疑问句）
______ the workers ______ building the new wildlife center since last March
"I will collect more samples of this moss tomorrow," the student said.（改为间接引语）
The student said that he ______ ______ more samples of that moss the next day.
We don't know. What should we do to protect the ancient trees （合并为宾语从句）
We don't know ______ we ______ do to protect the ancient trees.
The plant has been growing in this pot for two months.（对划线部分提问）
______ ______ has the plant been growing in this pot
"I saw a strange - looking frog in the pond yesterday," Mike said.（改为间接引语）
Mike said that he ______ ______ a strange - looking frog in the pond the day before.
The students plant trees. The trees can prevent soil erosion.（合并为定语从句）
The students plant trees ______ ______ prevent soil erosion.
"We have found three new species in this area," the scientists announced.（改为间接引语）
The scientists announced that they ______ ______ three new species in that area.
This is the forest. Many endangered animals live in this forest.（合并为定语从句）
This is the forest ______ ______ many endangered animals live.
By the end of last year, they had finished the project on bamboo growth.（改为否定句）
By the end of last year, they ______ ______ the project on bamboo growth.
"Are these seeds still viable " the gardener asked.（改为间接引语）
The gardener asked ______ those seeds ______ still viable.
五、句子改错（10分）
The scientist has been discovered a new type of orchid in the mountain.（ ）________
I don't know when will the migration of the geese start.（ ）________
My brother said that he is going to study marine biology in college.（ ）________
The flowers which was planted last month are blooming now.（ ）________
They have been observed the behavior of the elephants for three weeks.（ ）________
The teacher told us that the moon went around the Earth.（ ）________
Do you know how many species of birds has been recorded in this reserve （ ）________
By the time we got to the garden, the butterflies fly away.（ ）________
This is the place where we first meet that rare red panda.（ ）________
He asked me that I had ever seen a Venus flytrap before.（ ）________
六、语法填空（共15分）
阅读下面短文，在空白处填入一个适当的单词或用括号内单词的正确形式填空。
Plants and animals have amazing ways of surviving in different environments. For example, cacti 1______ (live) in deserts for thousands of years. They 2______ (develop) special stems to store water since they first appeared.
Many animals 3______ (use) camouflage to hide from predators. A chameleon can change its color to match its surroundings. Scientists 4______ (study) this ability for decades and 5______ (find) some interesting facts so far.
Did you know that some plants 6______ (communicate) with each other When a plant 7______ (attack), it sends out chemicals to warn nearby plants. This process 8______ (discover) by researchers in the 1980s.
By the year 2050, botanists 9______ (identify) most of the world's plant species. However, many species 10______ (disappear) before we even know they exist. That's why protecting our ecosystems 11______ (be) so important.
A recent study shows that bees 12______ (visit) the same flowers at the same time every day. This behavior 13______ (help) them collect nectar more efficiently. The study also found that bees 14______ (learn) new routes quickly if their usual path 15______ (block).
答案
一、选出不同类的一项 1-5 ACCCB
二、单项选择题 1-5 CACBB 6-10 BAADC 11-15 BBBCA
三、用括号里单词的正确形式填空
have been studying
will germinate
had increased
will have kept
which
had been waiting
makes
will have been building
would observe
how far
has been looking
whether
could
will have learned
when
whose
has been lying
what
boils
haven't found
四、按要求改写句子
was gaining
if/whether; will
How long
he could
where; spend
Have; been
would collect
what; should
How long
had seen
which can
had found
in which
hadn't finished
if/whether; were
五、句子改错.
（discovered）改成 discovering
（will the migration）改成the migration will
（is）改成was
（was）改成were
（observed）改成observing
（went）改成goes
（has）改成have
（fly）改成had flown
（meet）改成met
（that）改成 if/whether
六、语法填空。
have lived
have been developing
use
have been studying
have found
can communicate
is attacked
was discovered
will have identified
will have disappeared
is
visit
helps
can learn
is blocked
21世纪教育网 www.21cnjy.com 精品试卷·第 2 页 （共 2 页）
21世纪教育网(www.21cnjy.com)
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