冀教版八年级下册
Unit2单元培优测试（含答案）
一、单项选择（共 10 分）
1、We should plant more trees ______ our environment.
A. Protect B. to protect
C. Protecting D. protected
2、—What do you need ______ the tree
—Some water and fertilizer.
A. Grow B. grows C. to grow D. growing
3、The students are busy ______ trees on the hill.
A. Plant B. to plant C. planting D. planted
4、The old man ______ every day to keep healthy.
A. Exercise B. exercises
C. Exercised D. exercising
5、It's important ______ us to learn English well.
A. Of B. for C. to D. with
6、—______ do you water the plants
—Once a week.
A. How long
B. How soon
C. How often
D. How many
7、The little boy is ______ young ______ go to school.
A. so; that
B. too; to
C. enough; to
D. not; until
8、The tree will grow well ______ we take good care of it.
A. If B. unless C. until D. before
9、The flowers look ______ and smell ______.
A. beautiful; good
B. beautifully; well
C. beautiful; well
D. beautifully; good
10、—______ is it from your home to the park
—About two kilometers.
A. How far B. How long
C. How many D. How much
二、中英文互译（共 10 分）
种树 ____________
照顾 ____________
一周一次 ____________
足够的阳光 ____________
把…… 放入…… ____________
grow into ____________
make a difference ____________
be good for ____________
on the top of ____________
turn into ____________
三、根据括号单词的正确形式填空（共 10 分）
1、We need ______ (plant) more trees to make our city more beautiful.
2、The ______ (leaf) of the tree turn yellow in autumn.
3、It's necessary for us ______ (drink) enough water every day.
4、The boy is old enough ______ (go) to school by himself.
5、The flowers need ______ (water) every day.
6、She enjoys ______ (listen) to music in her free time.
7、My father often ______ (take) a walk after supper.
8、If it ______ (rain) tomorrow, we won't go to the park.
9、The little girl is ______ (interest) in drawing pictures.
10、We should do something ______ (protect) our environment.
四、阅读理解（共 20 分）
（一）
Plants are very important. This is because plants can make food from air, water and sunlight. Animals and man cannot make food from air, water and sunlight. Animals can get their food by eating plants and other animals. Man gets his food by eating plants and animals, too. So animals and man need plants in order to live. This is why there are so many plants around us.
There are two kinds of plants: flowering plants and non-flowering plants. Almost all the trees around us are flowering plants. You can know some trees from their flowers and fruits. Non-flowering plants do not grow flowers. You cannot see many non-flowering plants around you.
If you look carefully at the plants around you, you will find that there are many kinds of plants. Some plants are large and some are small. Most of them are green. Thanks to the plants around us, we can live on the earth.
（ ）1、We need many plants around us because ______.
A. plants can grow easily
B. plants are green
C. we can get what we need from plants
D. we like all kinds of plants
（ ）2、There are so many plants around us because ______.
A. man doesn't need any plants
B. most animals don't eat plants
C. animals and man can't live without plants
D. the earth will become more beautiful
（ ）3、There are ______ kinds of plants mentioned in the passage.
A. Two B. three
C. Four D. five
（ ）4、We can know some trees from their ______.
A. Leaves B. fruits
C. Shapes D. flowers and fruits
（ ）5、Most of the plants are ______.
A. Yellow B. black
C. Green D. white
（二）
Do you know how to plant a tree Let me tell you. First, dig a hole. The hole should be big enough for the tree's roots. Next, put the tree in the hole. Make sure it is straight. Then, put the earth back into the hole. Push it down hard with your foot several times. Water the tree well. Finally, put a stick next to the tree to keep it straight.
（ ）1、What should we do first to plant a tree
A. Water the tree.
B. Dig a hole.
C. Put the earth back.
D. Put a stick next to the tree.
（ ）2、The hole should be ______ for the tree's roots.
A. Small B. deep
C. big enough D. not too big
（ ）3、After putting the tree in the hole, we should ______.
A. water it
B. put the earth back
C. push the earth down hard
D. make sure it is straight
（ ）4、We should water the tree ______.
A. before putting the earth back
B. after putting the earth back
C. before putting the tree in the hole
D. after putting a stick next to the tree
（ ）5、Why do we put a stick next to the tree
A. To make the tree grow fast.
B. To make the tree more beautiful.
C. To keep the tree straight.
D. To help the tree get enough water.
五、按要求改句子（共 20 分）
1、We plant trees every year.（改为被动语态）
Trees ______ ______ by us every year.
2、He waters the plants once a week.（对划线部分提问）
______ ______ does he water the plants
3、The flowers are very beautiful.（改为感叹句）
______ ______ the flowers are!
4、If it is sunny tomorrow, we will go to the park.（改为同义句）
We will go to the park ______ it ______ sunny tomorrow.
5、The boy is too young to go to school.（改为同义句）
The boy is ______ young ______ he can't go to school.
6、We need some water to grow the plants.（对划线部分提问）
______ ______ you need to grow the plants
7、She plants many trees in spring.（改为一般疑问句）
______ she ______ many trees in spring
8、The tree grows well.（改为否定句）
The tree ______ ______ well.
9、They are planting trees on the hill.（对划线部分提问）
______ ______ they ______ on the hill
10、It takes me two hours to plant the tree.（对划线部分提问）
______ ______ does it take you to plant the tree
六、完形填空（共 10 分）
Plants are important living things. Life could not go on if there were no plants. This is 1 plants can make food from air, water and sunlight. Animals and man cannot make food 2 air, water and sunlight. Animals get their food by eating plants and 3 animals. Man gets his food by eating plants and animals, too. So animals and man 4 plants in order to live. This is why we find that there are so many plants around us.
If you look carefully at the plants around you, you will find that there are 5 kinds of plants: flowering plants and non-flowering plants.
Flowering plants can make seeds. The seeds are protected by the fruits. Some fruits have one seed, some have two, three or four, and some have many seeds. But a few fruits have 6 seeds at all. An example of a fruit without seeds is the banana fruit.
Most non-flowering plants do not grow from seeds. They grow from spores (孢子). Spores are very, very small. Some spores are so small and light that they can 7 in the air. We may say that spores are quite the same 8 seeds. When these spores 9 on wet and shady places, they usually grow 10 new plants.
1、A. Why B. because C. how D. what
2、A. From B. of C. in D. for
3、A. Other B. others C. the other D. another
4、A. depend on B. live on C. put on D. go on
5、A. Two B. three C. four D. five
6、A. None B. some C. any D. no
7、A. Fly B. walk C. grow D. come
8、A. To B. as C. for D. with
9、A. Reach B. arrive C. get D. land
10、A. To B. into C. on D. up
七、书面表达（20 分）
假设你是李华，你的英国笔友 Tom 对植物种植很感兴趣，他想了解你是如何种植植物的。请你根据以下提示，给他写一封电子邮件。
提示：
你最喜欢种植的植物是什么；
种植这种植物的步骤；
种植过程中需要注意的事项。
要求：语言流畅、书写规范、卷面整洁，词数不少于 80；
文中不得使用真实姓名、校名，否则以零分计；
参考答案：
一、单项选择
1.B 2. C 3. C 4. B 5. B 6. C 7. B 8. A 9. A 10. A
二、中英文互译
plant trees
take care of / look after
once a week
enough sunshine
put... into...
长成 有影响；起作用
对…… 有好处 在…… 顶部
变成
三、根据括号单词的正确形式填空
to plant leaves
to drink to go
watering / to be watered
listening
Takes rains
Interested to protect
四、阅读理解
（一）1.C 2. C 3. A 4. D 5. C
（二）1.B 2. C 3. D 4. B 5. C
五、按要求改句子
are planted How often
How beautiful if; is so; that
What do Does; plant doesn't grow
What are; doing How long
六、完形填空
1.B 2. A 3. A 4. A 5. A 6. D 7. A 8. B 9. D 10. B
